Exploited
critical
9.8
CWE
787 119 89
EPSS
2.287%
Advisory Published
CVE Published
CVE Published
Updated
Advisory Published

CVE-2024-21762: Out-of-bound Write in sslvpnd

First published: Thu Feb 08 2024(Updated: )

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

Credit: psirt@fortinet.com psirt@fortinet.com

Affected SoftwareAffected VersionHow to fix
Fortinet FortiOS IPS Engine
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 IPS Engine>=6.0.0<6.0.18
Fortinet FortiOS IPS Engine>=6.2.0<6.2.16
Fortinet FortiOS IPS Engine>=6.4.0<6.4.15
Fortinet FortiOS IPS Engine>=7.0.0<7.0.14
Fortinet FortiOS IPS Engine>=7.2.0<7.2.7
Fortinet FortiOS IPS Engine>=7.4.0<7.4.3
Fortinet FortiOS IPS Engine>=7.4.0<=7.4.2
Fortinet FortiOS IPS Engine>=7.2.0<=7.2.6
Fortinet FortiOS IPS Engine>=7.0.0<=7.0.13
Fortinet FortiOS IPS Engine>=6.4.0<=6.4.14
Fortinet FortiOS IPS Engine>=6.2.0<=6.2.15
Fortinet FortiOS IPS Engine>=6.0.0<=6.0.17
Fortinet FortiProxy>=7.4.0<=7.4.2
Fortinet FortiProxy>=7.2.0<=7.2.8
Fortinet FortiProxy>=7.0.0<=7.0.14
Fortinet FortiProxy>=2.0.0<=2.0.13
Fortinet FortiProxy>=1.2
Fortinet FortiProxy>=1.1
Fortinet FortiProxy>=1.0

Remedy

Please upgrade to FortiProxy version 7.4.3 or above Please upgrade to FortiProxy version 7.2.9 or above Please upgrade to FortiProxy version 7.0.15 or above Please upgrade to FortiProxy version 2.0.14 or above Please upgrade to FortiOS version 7.6.0 or above Please upgrade to FortiOS version 7.4.3 or above Please upgrade to FortiOS version 7.2.7 or above Please upgrade to FortiOS version 7.0.14 or above Please upgrade to FortiOS version 6.4.15 or above Please upgrade to FortiOS version 6.2.16 or above

Remedy

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

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Reference Links

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of CVE-2024-21762?

    CVE-2024-21762 is considered a critical vulnerability due to its potential for remote code execution.

  • How do I fix CVE-2024-21762?

    To fix CVE-2024-21762, update FortiOS to versions 7.4.3, 7.2.7, 7.0.14, 6.4.15, 6.2.16, or 6.0.18 or FortiProxy to versions 7.4.3, 7.2.9, 7.0.15, or 2.0.14.

  • What systems are affected by CVE-2024-21762?

    CVE-2024-21762 affects Fortinet FortiOS and FortiProxy versions as specified in the vulnerability details.

  • Is CVE-2024-21762 actively exploited?

    Yes, there are reports indicating that CVE-2024-21762 is actively being exploited in the wild.

  • What is the exploit vector for CVE-2024-21762?

    The exploit vector for CVE-2024-21762 involves an out-of-bounds write leading to potential remote code execution.

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