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CISA KEV

Actively exploited vulnerabilities — CISA KEV

Vulnerabilities of firewalls and security appliances that CISA lists as actively exploited, with their remediation due dates.

150
tracked vulnerabilities

of 260 in the catalog

29
with known ransomware use
1 Oct 2026 at 13:38 UTC
Last synchronisation

About the CISA KEV catalog

CISA lists the CVEs with reliable evidence of exploitation in the wild. Each entry carries a required action and a due date that binds US federal agencies; for everyone else it is the clearest signal that a fix cannot wait.

Learn more

The Known Exploited Vulnerabilities catalog is maintained by the US Cybersecurity and Infrastructure Security Agency and updated as exploitation is confirmed. Being listed raises the priority of a fix; not being listed is never read as safe. Patcharo reads the feed at every synchronisation, keeps the due date and the ransomware flag exactly as CISA publishes them, and shows them next to the vendor's fixed releases so that the two questions, is it exploited and which release fixes it, are answered together.

KEV entries

20 entries

Newest additions first. Each entry keeps the CISA due date and the ransomware flag next to the fixed releases stated by the vendor.

  1. Critical9.8CVSS 3.1, Critical4%

    Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability

    Fortinet FortiOS, Fortinet FortiSwitchManager

    Added
    DuePassed
    View the CVE
  2. Critical9.8CVSS 3.1, Critical47%

    Fortinet FortiSandbox OS Command Injection Vulnerability

    Fortinet FortiSandbox, Fortinet FortiSandbox PaaS

    Added
    DuePassed
    View the CVE
  3. Critical9.8CVSS 3.1, Critical76%

    Fortinet FortiSandbox OS Command Injection Vulnerability

    Fortinet FortiSandbox, Fortinet FortiSandbox Cloud, Fortinet FortiSandbox PaaS

    Added
    DuePassed
    View the CVE
  4. Critical9.8CVSS 3.1, Critical94%
    Added
    DuePassed
    View the CVE
  5. Critical9.8CVSS 3.1, Critical9%
    Added
    DuePassed
    View the CVE
  6. Critical9.8CVSS 3.1, Critical86%
    Added
    DuePassed
    View the CVE
  7. Critical9.8CVSS 3.1, Critical68%

    Fortinet Multiple Products Improper Verification of Cryptographic Signature Vulnerability

    Fortinet FortiOS, Fortinet FortiProxy, Fortinet FortiSwitchManager

    Added
    DuePassed
    View the CVE
  8. Critical9.8CVSS 3.1, Critical92%
    Added
    DuePassed
    View the CVE
  9. Critical9.8CVSS 3.1, Critical100%
    Added
    DuePassed
    View the CVE
  10. Critical9.8CVSS 3.1, Critical30%

    Fortinet Multiple Products Stack-Based Buffer Overflow Vulnerability

    Fortinet FortiNDR, Fortinet FortiCamera, Fortinet FortiRecorder

    Added
    DuePassed
    View the CVE
  11. CVE-2024-55591KEVRansomware
    Critical9.8CVSS 3.1, Critical94%
    Added
    DuePassed
    View the CVE
  12. Critical9.8CVSS 3.1, Critical95%
    Added
    DuePassed
    View the CVE
  13. Critical9.8CVSS 3.1, Critical62%

    Fortinet Multiple Products Format String Vulnerability

    Fortinet FortiOS, Fortinet FortiProxy, Fortinet FortiSwitchManager

    Added
    DuePassed
    View the CVE
  14. CVE-2023-48788KEVRansomware
    Critical9.8CVSS 3.1, Critical98%
    Added
    DuePassed
    View the CVE
  15. CVE-2024-21762KEVRansomware
    Critical9.8CVSS 3.1, Critical83%

    Fortinet FortiOS Out-of-Bound Write Vulnerability

    Fortinet FortiProxy, Fortinet FortiOS

    Added
    DuePassed
    View the CVE
  16. CVE-2023-27997KEVRansomware
    Critical9.8CVSS 3.1, Critical86%

    Fortinet FortiOS and FortiProxy SSL-VPN Heap-Based Buffer Overflow Vulnerability

    Fortinet FortiProxy, Fortinet FortiOS, Fortinet FortiOS-6K7K

    Added
    DuePassed
    View the CVE
  17. CVE-2022-42475KEVRansomware
    Critical9.8CVSS 3.1, Critical99%
    Added
    DuePassed
    View the CVE
  18. CVE-2022-40684KEVRansomware
    Critical9.8CVSS 3.1, Critical100%

    Fortinet Multiple Products Authentication Bypass Vulnerability

    Fortinet FortiOS, FortiProxy, FortiSwitchManager

    Added
    DuePassed
    View the CVE
  19. CVE-2020-12812KEVRansomware
    Critical9.8CVSS 3.1, Critical49%
    Added
    DuePassed
    View the CVE
  20. CVE-2018-13379KEVRansomware
    Critical9.8CVSS 3.1, Critical100%
    Added
    DuePassed
    View the CVE