Fortinet Fortios
280 CVEs affecting Fortinet Fortios. Latest disclosed: 2026-07-14. Critical: 20, High: 60.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2026-24858 | Critical | 9.8 | 2026-01-27 | An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.5, FortiAnalyzer… |
CVE-2025-59718 | Critical | 9.8 | 2025-12-09 | A improper verification of cryptographic signature vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7… |
CVE-2025-22252 | Critical | 9.8 | 2025-05-28 | A missing authentication for critical function in Fortinet FortiProxy versions 7.6.0 through 7.6.1, FortiSwitchManager version 7.2.5, and FortiOS versions 7.4… |
CVE-2023-25610 | Critical | 9.8 | 2025-03-24 | A buffer underwrite ('buffer underflow') vulnerability in the administrative interface of Fortinet FortiOS version 7.2.0 through 7.2.3, version 7.0.0 through 7… |
CVE-2024-55591 | Critical | 9.8 | 2025-01-14 | An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS version 7.0.0 through 7.0.16 and FortiProxy version 7.0.0… |
CVE-2023-42789 | Critical | 9.8 | 2024-03-12 | 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 through 7.0.12, FortiOS 6.4.0 through 6… |
CVE-2024-23113 | Critical | 9.8 | 2024-02-15 | 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, 7.0.0 through 7.0.13, FortiProxy versions 7… |
CVE-2024-21762 | Critical | 9.8 | 2024-02-09 | A out-of-bounds write in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, 6.4.0 through 6.4.14, 6.2.0 through 6.2.15… |
CVE-2023-33308 | Critical | 9.8 | 2023-07-26 | A stack-based overflow vulnerability [CWE-124] in Fortinet FortiOS version 7.0.0 through 7.0.10 and 7.2.0 through 7.2.3 and FortiProxy version 7.0.0 through 7… |
CVE-2023-27997 | Critical | 9.8 | 2023-06-13 | A heap-based buffer overflow vulnerability [CWE-122] in FortiOS version 7.2.4 and below, version 7.0.11 and below, version 6.4.12 and below, version 6.0.16 and… |
CVE-2022-42475 | Critical | 9.8 | 2023-01-02 | 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 through 6.4.10, 6.2.0 through 6.2.11, 6… |
CVE-2022-40684 | Critical | 9.8 | 2022-10-18 | An authentication bypass using an alternate path or channel [CWE-288] in Fortinet FortiOS version 7.2.0 through 7.2.1 and 7.0.0 through 7.0.6, FortiProxy versi… |
CVE-2020-12812 | Critical | 9.8 | 2020-07-24 | An improper authentication vulnerability in SSL VPN in FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below may result in a user being able to log in successfully wi… |
CVE-2018-1352 | Critical | 9.8 | 2019-02-08 | A format string vulnerability in Fortinet FortiOS 5.6.0 allows attacker to execute unauthorized code or commands via the SSH username variable. |
CVE-2016-6909 | Critical | 9.8 | 2016-08-24 | Buffer overflow in the Cookie parser in Fortinet FortiOS 4.x before 4.1.11, 4.2.x before 4.2.13, and 4.3.x before 4.3.9 and FortiSwitch before 3.4.3 allows rem… |
CVE-2016-1909 | Critical | 9.8 | 2016-01-15 | Fortinet FortiAnalyzer before 5.0.12 and 5.2.x before 5.2.5; FortiSwitch 3.3.x before 3.3.3; FortiCache 3.0.x before 3.0.8; and FortiOS 4.1.x before 4.1.11, 4… |
CVE-2018-13382 | Critical | 9.1 | 2019-06-04 | An Improper Authorization vulnerability in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.0 to 5.6.8 and 5.4.1 to 5.4.10 and FortiProxy 2.0.0, 1.2.0 to 1.2.8, 1.1.0 to 1… |
CVE-2018-13379 | Critical | 9.1 | 2019-06-04 | An Improper Limitation of a Pathname to a Restricted Directory ("Path Traversal") in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.3 to 5.6.7 and 5.4.6 to 5.4.12 and Fo… |
CVE-2024-48886 | Critical | 9.0 | 2025-01-14 | A weak authentication in Fortinet FortiOS versions 7.4.0 through 7.4.4, 7.2.0 through 7.2.8, 7.0.0 through 7.0.15, 6.4.0 through 6.4.15, FortiProxy versions 7… |
CVE-2021-44171 | Critical | 9.0 | 2022-10-10 | A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiOS version 6.0.0 through 6.0.14, FortiOS version… |