Critical security advisoryCriticalFlagged by our vulnerability database: PHP2Shell is on CISA’s exploited list. Most WordPress hosting runs PHP. See if your site is affectedFlagged by our vulnerability database: PHP2Shell is being exploited. DetailsExploited: PHP2Shell. Check your site
HuttenlocherTechnologies
Updated 1 h ago

Vulnerability database

Every flaw the U.S. government’s cybersecurity agency (CISA) has confirmed attackers are using, plus the new WordPress plugin and theme bugs published each day, sorted by what they mean for a small business. We refresh it twice a day. If you see something your website or office runs, tell us.

1,764exploited flaws on CISA’s list
36added in the last 30 days
479new WordPress flaws this week
390,525entries in the database

31 results

  • Oct 13, 2026Ivanti Connect Secure Authentication Bypass by Spoofing VulnerabilityCVE-2026-104935 · Network & remote access · Ivanti · reported by 3c1d8aa1-5a33-4ea4-8992-aadd6440af75ExploitedHigh 8.6

    Ivanti Connect Secure contains an authentication bypass by spoofing vulnerability that allows a remote unauthenticated attacker to execute arbitrary commands.

    Product
    Connect Secure
    On CISA’s list since
    Oct 13, 2026 (federal fix deadline Oct 16, 2026)
    What to do
    Attackers are using this now. Install Ivanti’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
  • Sep 11, 2026ConnectWise ScreenConnect Improper Privilege Management and Missing Authorization VulnerabilityCVE-2026-84869 · Other software · ConnectWise · reported by 7d616e1a-3288-43b1-a0dd-0a65d3e70a49ExploitedCritical 9.9

    ConnectWise ScreenConnect contains both an improper privilege management and missing authorization vulnerability that may allow an attacker to transfer and execute files through an active remote session without authorization or host confirmation.

    Product
    ScreenConnect
    On CISA’s list since
    Sep 11, 2026 (federal fix deadline Sep 14, 2026)
    What to do
    Attackers are using this now. Install ConnectWise’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
  • Jul 15, 2026KNX Association KNX Protocol Connection Authorization Option 1 Overly Restrictive Account Lockout Mechanism VulnerabilityCVE-2023-4346 · Other software · KNX Association · reported by ics-cert@hq.dhs.govExploitedHigh 7.5

    KNX Association KNX Protocol Connection Authorization Option 1 contains an overly restrictive account lockout mechanism vulnerability that could allow an attacker to purge all devices without additional security options enabled and set a BCU key to lock the device.

    Product
    KNX Protocol Connection Authorization Option 1
    On CISA’s list since
    Jul 15, 2026 (federal fix deadline Jul 29, 2026)
    What to do
    Attackers are using this now. Install KNX Association’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
  • Apr 28, 2026ConnectWise ScreenConnect Path Traversal VulnerabilityCVE-2024-1708 · Other software · ConnectWise · reported by 9119a7d8-5eab-497f-8521-727c672e3725ExploitedRansomwareHigh 8.4

    ConnectWise ScreenConnect contains a path traversal vulnerability which could allow an attacker to execute remote code or directly impact confidential data and critical systems.

    Product
    ScreenConnect
    On CISA’s list since
    Apr 28, 2026 (federal fix deadline May 12, 2026)
    What to do
    Attackers are using this now. Install ConnectWise’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
  • Jun 2, 2025ConnectWise ScreenConnect Improper Authentication VulnerabilityCVE-2025-3935 · Other software · ConnectWise · reported by 7d616e1a-3288-43b1-a0dd-0a65d3e70a49ExploitedHigh 8.1

    ConnectWise ScreenConnect contains an improper authentication vulnerability. This vulnerability could allow a ViewState code injection attack, which could allow remote code execution if machine keys are compromised.

    Product
    ScreenConnect
    On CISA’s list since
    Jun 2, 2025 (federal fix deadline Jun 23, 2025)
    What to do
    Attackers are using this now. Install ConnectWise’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
  • Apr 4, 2025Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow VulnerabilityCVE-2025-22457 · Network & remote access · Ivanti · reported by 3c1d8aa1-5a33-4ea4-8992-aadd6440af75ExploitedRansomwareCritical 9

    Ivanti Connect Secure, Policy Secure, and ZTA Gateways contains a stack-based buffer overflow vulnerability that allows a remote unauthenticated attacker to achieve remote code execution.

    Product
    Connect Secure, Policy Secure, and ZTA Gateways
    On CISA’s list since
    Apr 4, 2025 (federal fix deadline Apr 11, 2025)
    What to do
    Attackers are using this now. Install Ivanti’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
  • Jan 8, 2025Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow VulnerabilityCVE-2025-0282 · Network & remote access · Ivanti · reported by 3c1d8aa1-5a33-4ea4-8992-aadd6440af75ExploitedRansomwareCritical 9

    Ivanti Connect Secure, Policy Secure, and ZTA Gateways contain a stack-based buffer overflow which can lead to unauthenticated remote code execution.

    Product
    Connect Secure, Policy Secure, and ZTA Gateways
    On CISA’s list since
    Jan 8, 2025 (federal fix deadline Jan 15, 2025)
    What to do
    Attackers are using this now. Install Ivanti’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
  • Sep 3, 2024Draytek VigorConnect Path Traversal Vulnerability CVE-2021-20123 · Network & remote access · DrayTek · reported by vulnreport@tenable.comExploitedHigh 7.5

    Draytek VigorConnect contains a path traversal vulnerability in the DownloadFileServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges.

    Product
    VigorConnect
    On CISA’s list since
    Sep 3, 2024 (federal fix deadline Sep 24, 2024)
    What to do
    Attackers are using this now. Install DrayTek’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
  • Sep 3, 2024Draytek VigorConnect Path Traversal Vulnerability CVE-2021-20124 · Network & remote access · DrayTek · reported by vulnreport@tenable.comExploitedHigh 7.5

    Draytek VigorConnect contains a path traversal vulnerability in the file download functionality of the WebServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges.

    Product
    VigorConnect
    On CISA’s list since
    Sep 3, 2024 (federal fix deadline Sep 24, 2024)
    What to do
    Attackers are using this now. Install DrayTek’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
  • May 20, 2024NextGen Healthcare Mirth Connect Deserialization of Untrusted Data VulnerabilityCVE-2023-43208 · Other software · NextGen Healthcare · reported by MITREExploitedRansomwareCritical 9.8

    NextGen Healthcare Mirth Connect contains a deserialization of untrusted data vulnerability that allows for unauthenticated remote code execution via a specially crafted request.

    Product
    Mirth Connect
    On CISA’s list since
    May 20, 2024 (federal fix deadline Jun 10, 2024)
    What to do
    Attackers are using this now. Install NextGen Healthcare’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
  • Feb 22, 2024ConnectWise ScreenConnect Authentication Bypass VulnerabilityCVE-2024-1709 · Other software · ConnectWise · reported by 9119a7d8-5eab-497f-8521-727c672e3725ExploitedRansomwareCritical 10

    ConnectWise ScreenConnect contains an authentication bypass vulnerability that allows an attacker with network access to the management interface to create a new, administrator-level account on affected devices.

    Product
    ScreenConnect
    On CISA’s list since
    Feb 22, 2024 (federal fix deadline Feb 29, 2024)
    What to do
    Attackers are using this now. Install ConnectWise’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
  • Jan 31, 2024Ivanti Connect Secure, Policy Secure, and Neurons Server-Side Request Forgery (SSRF) VulnerabilityCVE-2024-21893 · Network & remote access · Ivanti · reported by support@hackerone.comExploitedRansomwareHigh 8.2

    Ivanti Connect Secure (ICS, formerly known as Pulse Connect Secure), Ivanti Policy Secure, and Ivanti Neurons contain a server-side request forgery (SSRF) vulnerability in the SAML component that allows an attacker to access certain restricted resources without authentication.

    Product
    Connect Secure, Policy Secure, and Neurons
    On CISA’s list since
    Jan 31, 2024 (federal fix deadline Feb 2, 2024)
    What to do
    Attackers are using this now. Install Ivanti’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
  • Jan 10, 2024Ivanti Connect Secure and Policy Secure Command Injection VulnerabilityCVE-2024-21887 · Network & remote access · Ivanti · reported by support@hackerone.comExploitedRansomwareCritical 9.1

    Ivanti Connect Secure (ICS, formerly known as Pulse Connect Secure) and Ivanti Policy Secure contain a command injection vulnerability in the web components of these products, which can allow an authenticated administrator to send crafted requests to execute code on affected appliances. This vulnerability can be leveraged in conjunction with CVE-2023-46805, an authenticated bypass issue.

    Product
    Connect Secure and Policy Secure
    On CISA’s list since
    Jan 10, 2024 (federal fix deadline Jan 22, 2024)
    What to do
    Attackers are using this now. Install Ivanti’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
  • Jan 10, 2024Ivanti Connect Secure and Policy Secure Authentication Bypass VulnerabilityCVE-2023-46805 · Network & remote access · Ivanti · reported by support@hackerone.comExploitedRansomwareHigh 8.2

    Ivanti Connect Secure (ICS, formerly known as Pulse Connect Secure) and Ivanti Policy Secure gateways contain an authentication bypass vulnerability in the web component that allows an attacker to access restricted resources by bypassing control checks. This vulnerability can be leveraged in conjunction with CVE-2024-21887, a command injection vulnerability.

    Product
    Connect Secure and Policy Secure
    On CISA’s list since
    Jan 10, 2024 (federal fix deadline Jan 22, 2024)
    What to do
    Attackers are using this now. Install Ivanti’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
  • Aug 22, 2023Veeam Backup & Replication Cloud Connect Missing Authentication for Critical Function VulnerabilityCVE-2023-27532 · Other software · Veeam · reported by support@hackerone.comExploitedRansomwareHigh 7.5

    Veeam Backup & Replication Cloud Connect component contains a missing authentication for critical function vulnerability that allows an unauthenticated user operating within the backup infrastructure network perimeter to obtain encrypted credentials stored in the configuration database. This may lead to an attacker gaining access to the backup infrastructure hosts.

    Product
    Backup & Replication
    On CISA’s list since
    Aug 22, 2023 (federal fix deadline Sep 12, 2023)
    What to do
    Attackers are using this now. Install Veeam’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
  • Feb 21, 2023Mitel MiVoice Connect Code Injection VulnerabilityCVE-2022-41223 · Email & office · Mitel · reported by MITREExploitedRansomwareMedium 6.8

    The Director component in Mitel MiVoice Connect allows an authenticated attacker with internal network access to execute code within the context of the application.

    Product
    MiVoice Connect
    On CISA’s list since
    Feb 21, 2023 (federal fix deadline Mar 14, 2023)
    What to do
    Attackers are using this now. Install Mitel’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
  • Feb 21, 2023Mitel MiVoice Connect Command Injection VulnerabilityCVE-2022-40765 · Email & office · Mitel · reported by MITREExploitedRansomwareMedium 6.8

    The Mitel Edge Gateway component of MiVoice Connect allows an authenticated attacker with internal network access to execute commands within the context of the system.

    Product
    MiVoice Connect
    On CISA’s list since
    Feb 21, 2023 (federal fix deadline Mar 14, 2023)
    What to do
    Attackers are using this now. Install Mitel’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
  • Oct 24, 2022Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking VulnerabilityCVE-2020-3433 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedRansomwareHigh 7.8

    Cisco AnyConnect Secure Mobility Client for Windows interprocess communication (IPC) channel allows for insufficient validation of resources that are loaded by the application at run time. An attacker with valid credentials on Windows could execute code on the affected machine with SYSTEM privileges.

    Product
    AnyConnect Secure
    On CISA’s list since
    Oct 24, 2022 (federal fix deadline Nov 14, 2022)
    What to do
    Attackers are using this now. Install Cisco’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
  • Oct 24, 2022Cisco AnyConnect Secure Mobility Client for Windows Uncontrolled Search Path VulnerabilityCVE-2020-3153 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedRansomwareMedium 6.5

    Cisco AnyConnect Secure Mobility Client for Windows allows for incorrect handling of directory paths. An attacker with valid credentials on Windows would be able to copy malicious files to arbitrary locations with system level privileges. This could include DLL pre-loading, DLL hijacking, and other related attacks.

    Product
    AnyConnect Secure
    On CISA’s list since
    Oct 24, 2022 (federal fix deadline Nov 14, 2022)
    What to do
    Attackers are using this now. Install Cisco’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
  • Jun 27, 2022Mitel MiVoice Connect Data Validation VulnerabilityCVE-2022-29499 · Email & office · Mitel · reported by MITREExploitedRansomwareCritical 9.8

    The Service Appliance component in Mitel MiVoice Connect allows remote code execution due to incorrect data validation.

    Product
    MiVoice Connect
    On CISA’s list since
    Jun 27, 2022 (federal fix deadline Jul 18, 2022)
    What to do
    Attackers are using this now. Install Mitel’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
  • Mar 28, 2022Microsoft Office Access Connectivity Engine Remote Code Execution VulnerabilityCVE-2021-38646 · Email & office · Microsoft · reported by secure@microsoft.comExploitedRansomwareHigh 7.8

    Microsoft Office Access Connectivity Engine contains an unspecified vulnerability which can allow for remote code execution.

    Product
    Office
    On CISA’s list since
    Mar 28, 2022 (federal fix deadline Apr 18, 2022)
    What to do
    Attackers are using this now. Install Microsoft’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
  • Mar 7, 2022Pulse Connect Secure Code Injection VulnerabilityCVE-2020-8218 · Network & remote access · Pulse Secure · reported by support@hackerone.comExploitedHigh 7.2

    A code injection vulnerability exists in Pulse Connect Secure that allows an attacker to crafted a URI to perform an arbitrary code execution via the admin web interface.

    Product
    Pulse Connect Secure
    On CISA’s list since
    Mar 7, 2022 (federal fix deadline Sep 7, 2022)
    What to do
    Attackers are using this now. Install Pulse Secure’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
  • Dec 1, 2021Qualcomm Multiple Chipsets Improper Input Validation VulnerabilityCVE-2020-11261 · Computers, phones & browsers · Qualcomm · reported by product-security@qualcomm.comExploitedHigh 7.8

    Memory corruption due to improper check to return error when user application requests memory allocation of a huge size in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

    Product
    Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
    On CISA’s list since
    Dec 1, 2021 (federal fix deadline Jun 1, 2022)
    What to do
    Attackers are using this now. Install Qualcomm’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
  • Nov 3, 2021Ivanti Pulse Connect Secure and Policy Secure Command Injection VulnerabilityCVE-2019-11539 · Network & remote access · Ivanti · reported by MITREExploitedRansomwareHigh 7.2

    Ivanti Pulse Connect Secure and Policy Secure allows an authenticated attacker from the admin web interface to inject and execute commands.

    Product
    Pulse Connect Secure and Pulse Policy Secure
    On CISA’s list since
    Nov 3, 2021 (federal fix deadline May 3, 2022)
    What to do
    Attackers are using this now. Install Ivanti’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
  • Nov 3, 2021Ivanti Pulse Connect Secure Use-After-Free VulnerabilityCVE-2021-22893 · Network & remote access · Ivanti · reported by support@hackerone.comExploitedRansomwareCritical 10

    Ivanti Pulse Connect Secure contains a use-after-free vulnerability that allow a remote, unauthenticated attacker to execute code via license services.

    Product
    Pulse Connect Secure
    On CISA’s list since
    Nov 3, 2021 (federal fix deadline May 3, 2022)
    What to do
    Attackers are using this now. Install Ivanti’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
  • Nov 3, 2021Ivanti Pulse Connect Secure Code Execution VulnerabilityCVE-2020-8243 · Network & remote access · Ivanti · reported by support@hackerone.comExploitedHigh 7.2

    Ivanti Pulse Connect Secure contains an unspecified vulnerability in the admin web interface that could allow an authenticated attacker to upload a custom template to perform code execution.

    Product
    Pulse Connect Secure
    On CISA’s list since
    Nov 3, 2021 (federal fix deadline May 3, 2022)
    What to do
    Attackers are using this now. Install Ivanti’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
  • Nov 3, 2021Ivanti Pulse Connect Secure Unrestricted File Upload VulnerabilityCVE-2021-22900 · Network & remote access · Ivanti · reported by support@hackerone.comExploitedHigh 7.2

    Ivanti Pulse Connect Secure contains an unrestricted file upload vulnerability that allows an authenticated administrator to perform a file write via a maliciously crafted archive upload in the administrator web interface.

    Product
    Pulse Connect Secure
    On CISA’s list since
    Nov 3, 2021 (federal fix deadline May 3, 2022)
    What to do
    Attackers are using this now. Install Ivanti’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
  • Nov 3, 2021Ivanti Pulse Connect Secure Code Execution VulnerabilityCVE-2020-8260 · Network & remote access · Ivanti · reported by support@hackerone.comExploitedHigh 7.2

    Pulse Connect Secure contains an unspecified vulnerability that allows an authenticated attacker to perform code execution using uncontrolled gzip extraction.

    Product
    Pulse Connect Secure
    On CISA’s list since
    Nov 3, 2021 (federal fix deadline May 3, 2022)
    What to do
    Attackers are using this now. Install Ivanti’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
  • Nov 3, 2021Ivanti Pulse Connect Secure Command Injection VulnerabilityCVE-2021-22899 · Network & remote access · Ivanti · reported by support@hackerone.comExploitedHigh 8.8

    Ivanti Pulse Connect Secure contains a command injection vulnerability that allows remote authenticated users to perform remote code execution via Windows File Resource Profiles.

    Product
    Pulse Connect Secure
    On CISA’s list since
    Nov 3, 2021 (federal fix deadline May 3, 2022)
    What to do
    Attackers are using this now. Install Ivanti’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
  • Nov 3, 2021Ivanti Pulse Connect Secure Arbitrary File Read VulnerabilityCVE-2019-11510 · Network & remote access · Ivanti · reported by MITREExploitedRansomwareCritical 10

    Ivanti Pulse Connect Secure contains an arbitrary file read vulnerability that allows an unauthenticated remote attacker with network access via HTTPS to send a specially crafted URI.

    Product
    Pulse Connect Secure
    On CISA’s list since
    Nov 3, 2021 (federal fix deadline May 3, 2022)
    What to do
    Attackers are using this now. Install Ivanti’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
  • Nov 3, 2021Ivanti Pulse Connect Secure Collaboration Suite Buffer Overflow VulnerabilityCVE-2021-22894 · Network & remote access · Ivanti · reported by support@hackerone.comExploitedHigh 8.8

    Ivanti Pulse Connect Secure Collaboration Suite contains a buffer overflow vulnerabilities that allows a remote authenticated users to execute code as the root user via maliciously crafted meeting room.

    Product
    Pulse Connect Secure
    On CISA’s list since
    Nov 3, 2021 (federal fix deadline May 3, 2022)
    What to do
    Attackers are using this now. Install Ivanti’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.

Where this comes from: the exploited list is CISA’s Known Exploited Vulnerabilities catalog. Everything else is the whole National Vulnerability Database, where each record is published by the team that found the bug (Wordfence, Patchstack, WPScan, the vendors themselves and others); we show who. Exploit odds are FIRST’s EPSS, updated daily. Titles and categories are ours, so check the linked record before acting on a detail. For a write-up of the big ones, see our advisories. Every vendor, and every WordPress plugin and theme with a recorded flaw, also has its own page. All of it is free to reuse as JSON, CSV or RSS.

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