CVE-2023-36639
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
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.05% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 64.3% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2023-12-13 06:42Z2 YR AGO
- Last updated
- 2024-08-02 16:52Z2 YR AGO
- Reserved
- 2023-06-25
- Assigning CNA
- fortinet
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.0)
- CNA CVSS vector
- 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
- Weaknesses
- CWE-134Use of Externally-Controlled Format StringBase
- Data version
- 5.1
- Document digest
- 8970bf60e5eeb635e1a86c290ded8732d689c3492e4a8a8a507eb17f7f96dca8
05 Affected products
06 References
- fortiguard.comhttps://fortiguard.com/psirt/FG-IR-23-138
07 Remediation
Please upgrade to FortiOS version 7.4.1 or above Please upgrade to FortiOS version 7.2.5 or above Please upgrade to FortiOS version 7.0.12 or above Please upgrade to FortiOS version 6.4.13 or above Please upgrade to FortiOS version 6.2.16 or above Please upgrade to FortiPAM version 1.2.0 or above Please upgrade to FortiPAM version 1.1.1 or above Please upgrade to FortiProxy version 7.4.0 or above Please upgrade to FortiProxy version 7.2.5 or above Please upgrade to FortiProxy version 7.0.11 or above Please upgrade to FortiSASE version 23.3 or above