An Improper Validation of Certificate with Host Mismatch vulnerability [CWE-297] in FortiProxy version 7.6.1 …
- Severity
- High7.5CVSS 3.1, High
- EPSS
- 0.11%
- Published
- 14 Oct 2025
- Updated
- 11 Aug 2026
Description
Title, description and vendor guidance are quoted from the source records.
An Improper Validation of Certificate with Host Mismatch vulnerability [CWE-297] in FortiProxy version 7.6.1 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions and FortiOS version 7.6.2 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions ZTNA proxy may allow an unauthenticated attacker in a man-in-the middle position to intercept and tamper with connections to the ZTNA proxy
Weakness: CWE-297
Known exploited
Not listed in CISA KEV as of the last check.
Exploit prediction
0.11% probability of exploitation in the next 30 days (percentile 1%).
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
What the source states, per branch
Versions matched by Patcharo
Fortinet FortiProxySource: Fortinet (CVE record)
| Branch | Affected | Fixed in |
|---|---|---|
| 7.6 | 7.6.0 – 7.6.1 | Fixed after 7.6.1 |
| 7.4 | 7.4.0 – 7.4.8 | Fixed after 7.4.8 |
| 7.2 | 7.2.0 – 7.2.15 | Fixed after 7.2.15 |
| 7.0 | 7.0.0 – 7.0.22 | Fixed after 7.0.22 |
Versions not listed are stated unaffected by the vendor.
Fortinet FortiOSSource: Fortinet (CVE record)
| Branch | Affected | Fixed in |
|---|---|---|
| 7.6 | 7.6.0 – 7.6.2 | Fixed after 7.6.2 |
| 7.4 | 7.4.0 – 7.4.8 | Fixed after 7.4.8 |
| 7.2 | 7.2.0 – 7.2.12 | Fixed after 7.2.12 |
| 7.0 | 7.0.0 – 7.0.18 | Fixed after 7.0.18 |
Versions not listed are stated unaffected by the vendor.
Affected products
- Fortinet FortiPAM · 1.4.1
Workaround / Vendor remediation
Vendor remediation · FortiProxy
Upgrade to FortiProxy version 7.6.2 or above Upgrade to FortiProxy version 7.4.9 or above Upgrade to FortiOS version 7.6.3 or above Upgrade to FortiOS version 7.4.9 or above
Vendor remediation · FortiOS
Upgrade to FortiProxy version 7.6.2 or above Upgrade to FortiProxy version 7.4.9 or above Upgrade to FortiOS version 7.6.3 or above Upgrade to FortiOS version 7.4.9 or above
References
Provenance
Every fact on this page comes from the sources below. Nothing is written by an AI.
- Fortinet (CVE record)
- Fortinet (CVE record) · 27 Sept 2026, 23:46 UTC · Parser patcharo-cve5/1.1.0
- NVD
- NVD · 27 Sept 2026, 23:44 UTC · Parser patcharo-nvd/1.0.0
- FIRST EPSS
- FIRST EPSS · 27 Sept 2026, 23:46 UTC · Parser patcharo-epss/1.0.0
Last verified: 28 Sept 2026, 02:31 UTC