Vulnerability database

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• Nov 3, 2021Arm Trusted Firmware Out-of-Bounds Write VulnerabilityCVE-2021-27562 · Computers, phones & browsers · Arm · reported by MITREExploitedMedium 5.5

  Arm Trusted Firmware contains an out-of-bounds write vulnerability allowing the non-secure (NS) world to trigger a system halt, overwrite secure data, or print out secure data when calling secure functions under the non-secure processing environment (NSPE) handler mode. This vulnerability affects Yealink Device Management servers.

  Product

  Trusted Firmware

  On CISA’s list since

  Nov 3, 2021 (federal fix deadline Nov 17, 2021)

  What to do

  Attackers are using this now. Install Arm’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 catalogdeveloper.arm.comgit.trustedfirmware.org

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.