CVE-2024-21762

CriticalActively exploited (CISA KEV)Known to be used in ransomware campaigns

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

SeverityCritical
CVSS9.8
Exploit probability—
ProductFortinet FortiOS
PublishedFeb 9, 2024
First seenFeb 9, 2024
Added to KEVFeb 9, 2024

How to fix

CISA required action

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

CISA due date: Feb 16, 2024
Update
  • fortinet fortiproxy2.0.14, 7.0.15, 7.2.9, 7.4.3 or later
  • fortinet fortios6.0.18, 6.2.16, 6.4.15, 7.0.14, 7.2.7, 7.4.3 or later

Affected products

ProductAffected versionsFixed in
fortinet fortiproxy1.0.0 ≤ v < 2.0.14, 7.0.0 ≤ v < 7.0.15, 7.2.0 ≤ v < 7.2.9, 7.4.0 ≤ v < 7.4.32.0.14, 7.0.15, 7.2.9, 7.4.3
fortinet fortios6.0.0 ≤ v < 6.0.18, 6.2.0 ≤ v < 6.2.16, 6.4.0 ≤ v < 6.4.15, 7.0.0 ≤ v < 7.0.14, 7.2.0 ≤ v < 7.2.7, 7.4.0 ≤ v < 7.4.36.0.18, 6.2.16, 6.4.15, 7.0.14, 7.2.7, 7.4.3

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