Vulnerability · CVE-2023-29181
A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.2.0 through 7.2.4, FortiOS 7.0.0 through 7.0.11, FortiOS 6.4.0 through 6.4.12, FortiOS…
Published Feb 22, 2024 · catalog updated Oct 22, 2026 · the affected product
Last checked Oct 26, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2023-29181. EPSS is 0.72%. Act only if a listed version of the affected product is installed.
Gaps on this record
- No plain product name is stored. The page cannot tell you which product to check.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2023-45583 · High
- CVE-2023-36640 · Medium
- CVE-2023-41677 · High
- CVE-2023-29180 · High
- CVE-2024-21762 · Critical · known exploited
- Severity
- High8.8
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.72%
- Remediation
- Version ranges on file
- Affected products
- cpe fortinet/fortios · cpe fortinet/fortipam · cpe fortinet/fortiproxy
A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.2.0 through 7.2.4, FortiOS 7.0.0 through 7.0.11, FortiOS 6.4.0 through 6.4.12, FortiOS 6.2.0 through 6.2.14, FortiOS 6.0.0 through 6.0.16, FortiOS 5.6 all versions, FortiOS 5.4 all versions, FortiOS 5.2 all versions, FortiOS 5.0 all versions, FortiOS 4.3 all versions, FortiOS 4.2 all versions, FortiOS 4.1 all versions, FortiOS 4.0 all versions, FortiPAM 1.0 all versions, FortiProxy 7.2.0 through 7.2.4, FortiProxy 7.0.0 through 7.0.10, FortiProxy 2.0.0 through 2.0.12, 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 specially crafted command.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe fortinet/fortios< 6.2.15
- cpe fortinet/fortios< 6.4.13
- cpe fortinet/fortios< 7.0.12
- cpe fortinet/fortios< 7.2.5
- cpe fortinet/fortipam< 1.1.0
- cpe fortinet/fortiproxy< 2.0.13
- cpe fortinet/fortiproxy< 7.0.11
- cpe fortinet/fortiproxy< 7.2.5
How to fix CVE-2023-29181
Upgrade
CVE-2023-29181 lists a fix boundary at 6.2.15. Compare the installed build with that boundary before you change production.
Version check
Affected < 6.2.15
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2023-29181. EPSS is 0.72%. Act only if a listed version of the affected product is installed.
Which versions are affected?
Compare what you have installed with < 6.2.15, < 6.4.13, < 7.0.12, < 7.2.5, < 1.1.0, < 2.0.13. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-134: Format String Vulnerability. EPSS 0.72%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Feb 22, 2024 · NIST NVD
Detected
A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.2.0 through 7.2.4, FortiOS 7.0.0 through 7.0.11, FortiOS 6.4.0 through 6.4.12, FortiOS 6.2.0 through 6.2.14, FortiOS 6.0.0 through 6.0.16, FortiOS 5.6 all versions, FortiOS 5.4 all versions, FortiOS 5.2 all versions, FortiOS 5.0 all versions, FortiOS 4.3 all versions, FortiOS 4.2 all versions, FortiOS 4.1 all versions
Oct 22, 2026 · NIST NVD
Updated
A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.2.0 through 7.2.4, FortiOS 7.0.0 through 7.0.11, FortiOS 6.4.0 through 6.4.12, FortiOS 6.2.0 through 6.2.14, FortiOS 6.0.0 through 6.0.16, FortiOS 5.6 all versions, FortiOS 5.4 all versions, FortiOS 5.2 all versions, FortiOS 5.0 all versions, FortiOS 4.3 all versions, FortiOS 4.2 all versions, FortiOS 4.1 all versions
Sources
- CVE.orgVulnerability recordCVE-2023-29181
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2023-29181
30-day exploitation probability 0.72%
first.org - NIST NVDVulnerability recordCVE-2023-29181
A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.2.0 through 7.2.4, FortiOS 7.0.0 through 7.0.11, FortiOS 6.4.0 through 6.4.12, FortiOS 6.2.0 through 6.2.14, FortiOS 6.0.0 through 6.0.16, FortiOS 5.6 all versions, FortiOS 5.4 all versions, FortiOS
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- CVE.orgOct 23, 2026
- FIRST EPSSOct 23, 2026
- NIST NVDOct 23, 2026