CVE-2024-23113

Fortinet Multiple Products: Format String

As of , CVE-2024-23113 in Fortinet Multiple Products is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 9 October 2024
US federal deadline
30 October 202421 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.62Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.00 on 9 October 2024EPSS on the day CISA listed it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
Vendor advice: www.fortiguard.comLinks below, from CISA's entry.

What CISA says to do

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

CISA's required action

What the flaw is

Fortinet FortiOS, FortiPAM, FortiProxy, and FortiWeb contain a format string vulnerability that allows a remote, unauthenticated attacker to execute arbitrary code or commands via specially crafted requests.

CISA's 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.

The CVE record's description, from fortinet

CVE published
15 February 2024
Assigned by
fortinet
CVSS
9.8 Critical (CVSS 3.1, from the CNA)
CWE-134
Use of Externally-Controlled Format String
CISA SSVC, exploitation
active
CISA SSVC, automatable
yes
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

Multiple Products: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2025-25249Heap-based Buffer OverflowFortinet Multiple ProductsPatch nowForensic triage required by CISA0.04
CVE-2022-40684Authentication BypassFortinet Multiple ProductsPatch this weekRansomware use; Metasploit module; EPSS 0.990.99
CVE-2026-24858Authentication Bypass Using an Alternate Path or ChannelFortinet Multiple ProductsPatch this weekEPSS 0.860.86
CVE-2025-59718Improper Verification of Cryptographic SignatureFortinet Multiple ProductsPatch this weekEPSS 0.680.68
CVE-2025-32756Stack-Based Buffer OverflowFortinet Multiple ProductsPatch soon0.30

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