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CVE-2024-23113

A use of externally-controlled format string 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, Fo

Affects FortiOS 7.0.0 to 7.0.13, 7.2.0 to 7.2.6 and 7.4.0 to 7.4.2, plus other Fortinet products. Fortinet's advisory says to upgrade FortiOS 7.4 to 7.4.3 or above.

Published
Last modified
published
Listed in CISA KEV
Actively exploited
None on Exploit-DB, Metasploit or GitHub

Summary

The vulnerability affects Fortinet's FortiOS, FortiProxy, FortiPAM, and FortiSwitchManager products. An attacker could exploit it by sending specially crafted packets to run unauthorized code or commands on the affected device.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

A use of externally-controlled format string 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, FortiProxy versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14, FortiPAM versions 1.2.0, 1.1.0 through 1.1.2, 1.0.0 through 1.0.3, FortiSwitchManager versions 7.2.0 through 7.2.3, 7.0.0 through 7.0.3 allows attacker to execute unauthorized code or commands via specially crafted packets.

Timeline

  1. CVE published
  2. Added to CISA KEV

    CISA has evidence of exploitation in the wild

  3. CISA remediation deadline

    Due date for US federal agencies to patch

  4. Record last updated
  5. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • Fortinet FortiSwitchManager

    From 7.2.0 · through 7.2.3; From 7.0.0 · through 7.0.3

  • Fortinet FortiOS

    From 7.4.0 · through 7.4.2; From 7.2.0 · through 7.2.6; From 7.0.0 · through 7.0.13

  • Fortinet FortiPAM

    From 1.1.0 · through 1.1.2; From 1.0.0 · through 1.0.3

  • Fortinet FortiProxy

    From 7.4.0 · through 7.4.2; From 7.2.0 · through 7.2.8; From 7.0.0 · through 7.0.15

References 1

fortiguard.com

FAQ

Questions about CVE-2024-23113

What does this mean?

An externally controlled input is used as a format string, which lets a remote unauthenticated attacker run arbitrary code or commands on the device through specially crafted requests.Source: fortiguard.com

Am I affected, and how do I check?

The advisory lists FortiOS 7.4.0 through 7.4.2, 7.2.0 through 7.2.6 and 7.0.0 through 7.0.13, and also lists FortiProxy, FortiPAM and FortiSwitchManager versions. Compare the installed version of each product against these ranges.Source: fortiguard.com

What should I do about it?

Upgrade FortiOS 7.4 to 7.4.3 or above, as the advisory directs.Source: fortiguard.com

Is it being exploited?

Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2024-10-09, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data

What if there's no patch?

Remove the fgfm access from each interface's allowaccess setting. This is the only workaround given in the facts.Source: fortiguard.com

Is the fix complete?

The fix is recorded as partial, but the sources provided do not say which parts remain unfixed.Source: fortiguard.com