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9.6 Critical

CVE-2024-21762 Fortinet FortiOS Out-of-Bound Write Vulnerability

Active exploitation observed

· CISA KEV catalogue
Required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Ransomware campaigns Known to be used
Weakness 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 products and versions

Product Affected versions Fixed in
FortiProxy 7.4 7.4.0 → 7.4.2 No fix stated
FortiProxy 7.2 7.2.0 → 7.2.8 No fix stated
FortiProxy 7.0 7.0.0 → 7.0.14 No fix stated
FortiProxy 2.0 2.0.0 → 2.0.13 No fix stated
FortiProxy 1.2 1.2.1 → 1.2.13 No fix stated
FortiProxy 01.02.00 No fix stated
FortiProxy 1.1 1.1.4 → 1.1.6 No fix stated
FortiProxy 01.01 01.01.00 → 01.01.03 No fix stated
FortiProxy 01.00 01.00.00 → 01.00.07 No fix stated
Show the 6 other branches
Product Affected versions Fixed in
FortiOS 7.4 7.4.0 → 7.4.2 No fix stated
FortiOS 7.2 7.2.0 → 7.2.6 No fix stated
FortiOS 7.0 7.0.0 → 7.0.13 No fix stated
FortiOS 6.4 6.4.0 → 6.4.14 No fix stated
FortiOS 6.2 6.2.0 → 6.2.15 No fix stated
FortiOS 6.0 6.0.0 → 6.0.18 No fix stated

Other CVEs of FortiProxy

The 110 CVEs of FortiProxy →
CVE-2026-106175 A Double Free vulnerability [CWE-415] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.8, FortiOS 7.4 all versions,… 2.1 Low CVE-2026-84392 A NULL Pointer Dereference vulnerability [CWE-476] vulnerability in Fortinet FortiOS 7.4 all versions, FortiOS 7.2 all… 2.5 Low CVE-2026-84393 A improper validation of certificate with host mismatch vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6,… 7.3 High CVE-2026-71407 A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6 may allow an… 5.1 Medium
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