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.
5 results
Sep 29, 2025Libraesva Email Security Gateway Command Injection VulnerabilityCVE-2025-59689 · Other software · Libraesva · reported by MITREExploitedMedium 6.1
Libraesva Email Security Gateway (ESG) contains a command injection vulnerability which allows command injection via a compressed e-mail attachment.
- Product
- Email Security Gateway
- On CISA’s list since
- Sep 29, 2025 (federal fix deadline Oct 20, 2025)
- What to do
- Attackers are using this now. Install Libraesva’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD recordCISA catalogdocs.libraesva.comlibraesva.com
May 26, 2023Barracuda Networks ESG Appliance Improper Input Validation VulnerabilityCVE-2023-2868 · Network & remote access · Barracuda Networks · reported by cve-coordination@google.comExploitedCritical 9.4
Barracuda Email Security Gateway (ESG) appliance contains an improper input validation vulnerability of a user-supplied .tar file, leading to remote command injection.
- Product
- Email Security Gateway (ESG) Appliance
- On CISA’s list since
- May 26, 2023 (federal fix deadline Jun 16, 2023)
- What to do
- Attackers are using this now. Install Barracuda Networks’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD recordCISA catalogstatus.barracuda.combarracuda.com
Nov 3, 2021SonicWall Email Security Improper Privilege Management VulnerabilityCVE-2021-20021 · Network & remote access · SonicWall · reported by PSIRT@sonicwall.comExploitedRansomwareCritical 9.8
SonicWall Email Security contains an improper privilege management vulnerability that allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20022 and CVE-2021-20023 to achieve privilege escalation.
- Product
- SonicWall Email Security
- On CISA’s list since
- Nov 3, 2021 (federal fix deadline Nov 17, 2021)
- What to do
- Attackers are using this now. Install SonicWall’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.
Full record and what to do →NVD recordCISA catalogpsirt.global.sonicwall.compsirt.global.sonicwall.com
Nov 3, 2021SonicWall Email Security Unrestricted Upload of File VulnerabilityCVE-2021-20022 · Network & remote access · SonicWall · reported by PSIRT@sonicwall.comExploitedRansomwareHigh 7.2
SonicWall Email Security contains an unrestricted upload of file with dangerous type vulnerability that allows a post-authenticated attacker to upload a file to the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20021 and CVE-2021-20023 to achieve privilege escalation.
- Product
- SonicWall Email Security
- On CISA’s list since
- Nov 3, 2021 (federal fix deadline Nov 17, 2021)
- What to do
- Attackers are using this now. Install SonicWall’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.
Full record and what to do →NVD recordCISA catalogpsirt.global.sonicwall.compsirt.global.sonicwall.com
Nov 3, 2021SonicWall Email Security Path Traversal VulnerabilityCVE-2021-20023 · Network & remote access · SonicWall · reported by PSIRT@sonicwall.comExploitedRansomwareMedium 4.9
SonicWall Email Security contains a path traversal vulnerability that allows a post-authenticated attacker to read files on the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20021 and CVE-2021-20022 to achieve privilege escalation.
- Product
- SonicWall Email Security
- On CISA’s list since
- Nov 3, 2021 (federal fix deadline Nov 17, 2021)
- What to do
- Attackers are using this now. Install SonicWall’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.
Full record and what to do →NVD recordCISA catalogpsirt.global.sonicwall.compsirt.global.sonicwall.com
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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