CVE-2024-21762

VendorfortinetProductfortios, fortiproxyDiscoveredFeb 9, 2024UpdatedOct 22, 2026

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

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CVSS v3.1

9.8 CRITICAL

EPSS

84.6%

probability of exploitation in 30 days

CISA KEV

Listed

confirmed active exploitation

News coverage

sources referencing this CVE

Related IOCs

seen in the same coverage

EPSS Trend

Aug 16, 2026 → Oct 26, 2026

▲ 0.30pp

84.3% → 84.6% over 3 tracked changes

CVSS v3.1 Detail

Attack VectorNETWORK

Attack ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

ScopeUNCHANGED

ConfidentialityHIGH

IntegrityHIGH

AvailabilityHIGH

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

Connections

4 relationships

CWE-787

source

Timeline

disclosure → media coverage

Feb 9, 2024

Disclosure — published as a CVE record. · last revised by NVD Oct 22, 2026

Sep 15, 2026

securityweek.com reports: Thai Broadband Provider Hacked via Fortinet Vulnerability

Public PoC (10)

github.com/BishopFox/cve-2024-21762-check github.com/h4x0r-dz/CVE-2024-21762 github.com/r4p3c4/CVE-2024-21762-Exploit-PoC-Fortinet-SSL-VPN-Check github.com/d0rb/CVE-2024-21762 github.com/rdoix/cve-2024-21762-checker github.com/deFr0ggy/CVE-2024-21762-Checker github.com/CrackerCat/cve-2024-21762-poc github.com/abrewer251/CVE-2024-21762_FortiNet_PoC github.com/0x13-ByteZer0/CVE-2024-21762 github.com/0x0asif/CVE-2024-21762

Unverified third-party code — review before executing.