FortiOS

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• Critical 9.4
  CVE-2026-24858 Exploited Public exploit EPSS 87%

  An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] vulnerability in Fortinet FortiAnal…

  Fortinet FortiOS FortiManager FortiProxy Network devices
  Jan 27, 2026

  KEV Jan 27, 2026
• Critical 9.1
  CVE-2025-59718 Exploited Public exploit EPSS 68%

  A improper verification of cryptographic signature vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0…

  Fortinet FortiOS FortiProxy FortiSwitchManager Network devices
  Dec 9, 2025

  KEV Dec 16, 2025
• Medium 4.4
  CVE-2024-50562 Public exploit

  An Insufficient Session Expiration vulnerability [CWE-613] in FortiOS SSL-VPN version 7.6.0, version 7.4.6 and below, v…

  Fortinet FortiOS FortiProxy FortiPAM Network devices
  Jun 10, 2025
• Critical 9.3
  CVE-2023-25610 Public exploit EPSS 18%

  A buffer underwrite ('buffer underflow') vulnerability in the administrative interface of Fortinet FortiOS version 7.2.…

  Fortinet FortiOS FortiManager FortiProxy Network devices
  Mar 24, 2025
• High 8.1
  CVE-2025-24472 Exploited · Ransomware Public exploit

  An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS 7.0.0 through 7.0…

  Fortinet FortiOS FortiProxy Network devices
  Feb 11, 2025

  KEV Mar 18, 2025
• Critical 9.6
  CVE-2024-55591 Exploited · Ransomware Public exploit Scanner template EPSS 94%

  An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS version 7.0.0 thr…

  Fortinet FortiOS FortiProxy Network devices
  Jan 14, 2025

  KEV Jan 14, 2025
• Low 1.7
  CVE-2024-21754 Public exploit

  A use of password hash with insufficient computational effort vulnerability [CWE-916] affecting FortiOS version 7.4.3 a…

  Fortinet FortiOS FortiProxy Network devices
  Jun 11, 2024
• Critical 9.3
  CVE-2023-42789 Public exploit

  A out-of-bounds write vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2.0 through 7.2.5, FortiOS 7.0.0…

  Fortinet FortiOS FortiProxy FortiSASE Network devices
  Mar 12, 2024
• Critical 9.8
  CVE-2024-23113 Exploited Public exploit EPSS 62%

  A use of externally-controlled format string in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0…

  Fortinet FortiOS FortiProxy FortiPAM Network devices
  Feb 15, 2024

  KEV Oct 9, 2024
• Critical 9.6
  CVE-2024-21762 Exploited · Ransomware Public exploit EPSS 85%

  A out-of-bounds write vulnerability in Fortinet FortiOS 7.4.0 through 7.4.2, FortiOS 7.2.0 through 7.2.6, FortiOS 7.0.0…

  Fortinet FortiOS FortiProxy Network devices
  Feb 9, 2024

  KEV Feb 9, 2024
• Critical 9.2
  CVE-2023-27997 Exploited · Ransomware Public exploit EPSS 87%

  A heap-based buffer overflow vulnerability [CWE-122] in FortiOS version 7.2.4 and below, version 7.0.11 and below, vers…

  Fortinet FortiOS FortiProxy FortiOS-6K7K Network devices
  Jun 13, 2023

  KEV Jun 13, 2023
• Critical 9.3
  CVE-2022-42475 Exploited · Ransomware Public exploit EPSS 99%

  A heap-based buffer overflow vulnerability [CWE-122] in FortiOS SSL-VPN 7.2.0 through 7.2.2, 7.0.0 through 7.0.8, 6.4.0…

  Fortinet FortiOS FortiProxy Network devices
  Jan 2, 2023

  KEV Dec 13, 2022
• Unscored —
  CVE-2017-14187 Public exploit

  A local privilege escalation and local code execution vulnerability in Fortinet FortiOS 5.6.0 to 5.6.2, 5.4.0 to 5.4.8,…

  Fortinet FortiOS Network devices
  May 24, 2018