CVE-2025-25253
published 2025-10-14CVE-2025-25253: 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…
PriorityP345high7.5CVSS 3.1
AVAACHPRNUINSUCHIHAH
EPSS
0.10%
1.3th percentile
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
Affected
15 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| fortinet | fortios | — | — |
| fortinet | fortios | >= 7.0.0 < 7.4.9 | 7.4.9 |
| fortinet | fortios | 7.0.0 – 7.0.18 | — |
| fortinet | fortios | 7.2.0 – 7.2.12 | — |
| fortinet | fortios | 7.4.0 – 7.4.8 | — |
| fortinet | fortios | >= 7.6.0 < 7.6.3 | 7.6.3 |
| fortinet | fortios | 7.6.0 – 7.6.2 | — |
| fortinet | fortipam | — | — |
| fortinet | fortiproxy | — | — |
| fortinet | fortiproxy | >= 7.0.0 < 7.4.9 | 7.4.9 |
| fortinet | fortiproxy | 7.0.0 – 7.0.22 | — |
| fortinet | fortiproxy | 7.2.0 – 7.2.15 | — |
| fortinet | fortiproxy | 7.4.0 – 7.4.8 | — |
| fortinet | fortiproxy | >= 7.6.0 < 7.6.2 | 7.6.2 |
| fortinet | fortiproxy | 7.6.0 – 7.6.1 | — |
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Fortinet
ZTNA Server Improper Certificate Validation
vendor_fortinet·2025-10-14·CVSS 7.5
CVE-2025-25253 [HIGH] CWE-297 ZTNA Server Improper Certificate Validation
FG-IR-24-457: ZTNA Server Improper Certificate Validation
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
CVEs: CVE-2025-25253
CWEs: CWE-297
CVSS: 7.5 (high)
Affected products: FortiOS, FortiProxy
GHSA
GHSA-9gmg-hfch-x94j: An Improper Validation of Certificate with Host Mismatch vulnerability [CWE-297] in FortiProxy version 7
ghsa_unreviewed·2025-10-14
CVE-2025-25253 [HIGH] CWE-297 GHSA-9gmg-hfch-x94j: An Improper Validation of Certificate with Host Mismatch vulnerability [CWE-297] in FortiProxy version 7
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
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-10-14
Published