CVE-2023-36639 json
A use of externally-controlled format string in Fortinet FortiProxy versions 7.2.0 through 7.2.4, 7.0.0 through 7.0.10, FortiOS versions 7.…
published 2y ago modified 4mo ago also EUVD-2023-40583
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
A use of externally-controlled format string in Fortinet FortiProxy versions 7.2.0 through 7.2.4, 7.0.0 through 7.0.10, FortiOS versions 7.4.0, 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.12, 6.2.0 through 6.2.15, 6.0.0 through 6.0.17, FortiPAM versions 1.0.0 through 1.0.3 allows attacker to execute unauthorized code or commands via specially crafted API requests.
Is CVE-2023-36639 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-24-074-11 updated cvss 7.2
Siemens RUGGEDCOM APE1808 with Fortigate NGFW Devices
-
Siemens RUGGEDCOM APE1808affected: fixed in V7.4.1
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
Exploit prediction
1.06% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-14).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.0 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:C |
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Fortinet FortiOS
- Fortinet FortiPAM
- Fortinet FortiProxy
Classification
- Weakness
-
- CWE-134 Use of Externally-Controlled Format String
- Technology feeds
References
-
fortiguard.com
/psirt/FG-IR-23-138
vendor-advisory
Sources
- CVE List CVE-2023-36639
- NVD CVE-2023-36639
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.