HackerFeeds
All CVEs

CVE-2024-21762

CRITICAL9.8
CISA KEV

Published 2024-02-09 · Updated 2026-08-04 · Source psirt@fortinet.com

Summary

CVE-2024-21762 is a critical-severity (CVSS 9.8) vulnerability in Fortinet FortiOS. CISA added it to the Known Exploited Vulnerabilities catalog on February 9, 2024, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by February 16, 2024. CISA also lists it as known to be used in ransomware campaigns, so it should be prioritised accordingly. Fortinet has 31 vulnerabilities in the KEV catalog, 14 of them linked to ransomware.

All 31 known-exploited Fortinet vulnerabilities →

Description

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, 6.0.0 through 6.0.17, FortiProxy versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14, 2.0.0 through 2.0.13, 1.2.0 through 1.2.13, 1.1.0 through 1.1.6, 1.0.0 through 1.0.7 allows attacker to execute unauthorized code or commands via specifically crafted requests

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-787

CISA Known-Exploited Vulnerability

Product: Fortinet — FortiOS

Name: Fortinet FortiOS Out-of-Bound Write Vulnerability

Date added: 2024-02-09 · Due: 2024-02-16

USED IN RANSOMWARE

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

View on NVD