CVE-2024-21762

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 v3.1 Score

9.8

CRITICAL

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

CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild.

Added: Feb 9, 2024 Remediation due: Feb 16, 2024 Known ransomware use

Weakness Type (CWE)

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
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

References

Advisories & Patches

https://fortiguard.com/psirt/FG-IR-24-015 https://fortiguard.com/psirt/FG-IR-24-015

Other References

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21762

Frequently Asked Questions

What is CVE-2024-21762? +

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 It has a CVSS v3.1 base score of 9.8 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2024-21762? +

CVE-2024-21762 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2024-21762? +

CVE-2024-21762 affects products from fortinet, specifically: fortios, fortiproxy. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-21762? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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