CVEvulnerability

CVE-2024-21762

9.8 CRITICAL Known exploited Published 2024-02-09 Modified 2026-10-22 Official page ↗

CISA Known Exploited Vulnerability

Fortinet FortiOS Out-of-Bound Write Vulnerability — Fortinet FortiOS

Fortinet FortiOS contains an out-of-bound write vulnerability that allows a remote unauthenticated attacker to execute code or commands via specially crafted HTTP requests.

Added to KEV: 2024-02-09
Remediation due: 2024-02-16
Ransomware use: Known
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes: https://fortiguard.fortinet.com/psirt/FG-IR-24-015 ; https://nvd.nist.gov/vuln/detail/CVE-2024-21762

Status: Analyzed
Published: 2024-02-09
Last modified: 2026-10-22
Assigner: [email protected]
CVSS 3.1 ([email protected]): 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected]): 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses: CWE-787

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 configurations

• fortinet fortiproxy (>= 1.0.0 < 2.0.14) • fortinet fortiproxy (>= 7.0.0 < 7.0.15) • fortinet fortiproxy (>= 7.2.0 < 7.2.9) • fortinet fortiproxy (>= 7.4.0 < 7.4.3) • fortinet fortios (>= 6.0.0 < 6.0.18) • fortinet fortios (>= 6.2.0 < 6.2.16) • fortinet fortios (>= 6.4.0 < 6.4.15) • fortinet fortios (>= 7.0.0 < 7.0.14) • fortinet fortios (>= 7.2.0 < 7.2.7) • fortinet fortios (>= 7.4.0 < 7.4.3)

Weakness · CWE (1)

CWE-787 Out-of-bounds Write weakness

References