Actively exploited · Published Feb 9, 2024 · Assigned by fortinet
CVE-2024-21762
Critical 9.6 Exploited Ransomware
In plain English
A critical-severity out-of-bounds write in FortiOS from Fortinet. Attackers are actively exploiting it in the wild (listed by CISA on February 9, 2024). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 84.6% (higher than 99.7% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA guidance
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Federal agencies must remediate by Feb 16, 2024.
Official description
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 through 7.0.13, FortiOS 6.4.0 through 6.4.14, FortiOS 6.2.0 through 6.2.15, FortiOS 6.0 all versions, FortiProxy 7.4.0 through 7.4.2, FortiProxy 7.2.0 through 7.2.8, FortiProxy 7.0.0 through 7.0.14, FortiProxy 2.0.0 through 2.0.13, FortiProxy 01.02 all versions, FortiProxy 1.2 all versions, FortiProxy 01.01 all versions, FortiProxy 1.1 all versions, FortiProxy 01.00 all versions allows attacker to execute unauthorized code or commands via specifically crafted requests
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | FortiOS | 7.4.0 – through 7.4.27.2.0 – through 7.2.67.0.0 – through 7.0.136.4.0 – through 6.4.146.2.0 – through 6.2.156.0.0 – through 6.0.18 |
| Fortinet | FortiProxy | 7.4.0 – through 7.4.27.2.0 – through 7.2.87.0.0 – through 7.0.142.0.0 – through 2.0.131.2.1 – through 1.2.1301.02.001.1.4 – through 1.1.601.01.00 – through 01.01.03 |
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:W/RC:C