A improper restriction of communication channel to intended endpoints vulnerability [CWE-923] in Fortinet For…
- Severity
- High7.5CVSS 3.1, High
- EPSS
- 0.50%
- Published
- 8 Apr 2025
- Updated
- 17 Jun 2026
Description
Title, description and vendor guidance are quoted from the source records.
A improper restriction of communication channel to intended endpoints vulnerability [CWE-923] in Fortinet FortiOS version 7.4.0 through 7.4.4, 7.2.0 through 7.2.8, 7.0.0 through 7.0.15, 6.4.0 through 6.4.15 and before 6.2.16, Fortinet FortiProxy version 7.4.0 through 7.4.2, 7.2.0 through 7.2.9 and before 7.0.15, Fortinet FortiManager version 7.4.0 through 7.4.2, 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.14 and before 6.2.13, Fortinet FortiAnalyzer version 7.4.0 through 7.4.2, 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.14 and before 6.2.13, Fortinet FortiVoice version 7.0.0 through 7.0.2 before 6.4.8 and Fortinet FortiWeb before 7.4.2 may allow an unauthenticated attacker in a man-in-the-middle position to impersonate the management device (FortiCloud server or/and in certain conditions, FortiManager), via intercepting the FGFM authentication request between the management device and the managed device
Weakness: CWE-923
Known exploited
Not listed in CISA KEV as of the last check.
Exploit prediction
0.50% probability of exploitation in the next 30 days (percentile 40%).
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/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 |
|---|---|---|
| 7.4 | 7.4.0 – 7.4.2 | Fixed after 7.4.2 |
| 7.2 | 7.2.0 – 7.2.9 | Fixed after 7.2.9 |
| 7.0 | 7.0.0 – 7.0.15 | Fixed after 7.0.15 |
| 2.0 | 2.0.0 – 2.0.14 | Fixed after 2.0.14 |
Versions not listed are stated unaffected by the vendor.
Fortinet FortiManagerSource: Fortinet (CVE record)
| Branch | Affected | Fixed in |
|---|---|---|
| 7.4 | 7.4.0 – 7.4.2 | Fixed after 7.4.2 |
| 7.2 | 7.2.0 – 7.2.4 | Fixed after 7.2.4 |
| 7.0 | 7.0.0 – 7.0.11 | Fixed after 7.0.11 |
| 6.4 | 6.4.0 – 6.4.14 | Fixed after 6.4.14 |
| 6.2 | 6.2.0 – 6.2.13 | Fixed after 6.2.13 |
Versions not listed are stated unaffected by the vendor.
Fortinet FortiOSSource: Fortinet (CVE record)
| Branch | Affected | Fixed in |
|---|---|---|
| 7.4 | 7.4.0 – 7.4.3 | Fixed after 7.4.3 |
| 7.2 | 7.2.0 – 7.2.7 | Fixed after 7.2.7 |
| 7.0 | 7.0.0 – 7.0.14 | Fixed after 7.0.14 |
| 6.4 | 6.4.0 – 6.4.15 | Fixed after 6.4.15 |
| 6.2 | 6.2.0 – 6.2.16 | Fixed after 6.2.16 |
Versions not listed are stated unaffected by the vendor.
Workaround / Vendor remediation
Vendor remediation · FortiProxy
Please upgrade to FortiProxy version 7.4.3 or above Please upgrade to FortiProxy version 7.2.10 or above Please upgrade to FortiProxy version 7.0.16 or above Please upgrade to FortiOS version 7.6.0 or above Please upgrade to FortiOS version 7.4.5 or above Please upgrade to FortiOS version 7.2.9 or above Please upgrade to FortiOS version 7.0.16 or above Please upgrade to FortiOS version 6.2.17 or above Please upgrade to FortiVoice version 7.2.0 or above Please upgrade to FortiVoice version 7.0.3 or above Please upgrade to FortiVoice version 6.4.9 or above Please upgrade to FortiSASE version 23.1 or above Please upgrade to FortiManager version 7.4.3 or above Please upgrade to FortiManager version 7.2.5 or above Please upgrade to FortiManager version 7.0.12 or above Please upgrade to FortiManager version 6.4.15 or above Please upgrade to FortiManager version 6.2.14 or above Please upgrade …
Vendor remediation · FortiManager
Please upgrade to FortiProxy version 7.4.3 or above Please upgrade to FortiProxy version 7.2.10 or above Please upgrade to FortiProxy version 7.0.16 or above Please upgrade to FortiOS version 7.6.0 or above Please upgrade to FortiOS version 7.4.5 or above Please upgrade to FortiOS version 7.2.9 or above Please upgrade to FortiOS version 7.0.16 or above Please upgrade to FortiOS version 6.2.17 or above Please upgrade to FortiVoice version 7.2.0 or above Please upgrade to FortiVoice version 7.0.3 or above Please upgrade to FortiVoice version 6.4.9 or above Please upgrade to FortiSASE version 23.1 or above Please upgrade to FortiManager version 7.4.3 or above Please upgrade to FortiManager version 7.2.5 or above Please upgrade to FortiManager version 7.0.12 or above Please upgrade to FortiManager version 6.4.15 or above Please upgrade to FortiManager version 6.2.14 or above Please upgrade …
Vendor remediation · FortiOS
Please upgrade to FortiProxy version 7.4.3 or above Please upgrade to FortiProxy version 7.2.10 or above Please upgrade to FortiProxy version 7.0.16 or above Please upgrade to FortiOS version 7.6.0 or above Please upgrade to FortiOS version 7.4.5 or above Please upgrade to FortiOS version 7.2.9 or above Please upgrade to FortiOS version 7.0.16 or above Please upgrade to FortiOS version 6.2.17 or above Please upgrade to FortiVoice version 7.2.0 or above Please upgrade to FortiVoice version 7.0.3 or above Please upgrade to FortiVoice version 6.4.9 or above Please upgrade to FortiSASE version 23.1 or above Please upgrade to FortiManager version 7.4.3 or above Please upgrade to FortiManager version 7.2.5 or above Please upgrade to FortiManager version 7.0.12 or above Please upgrade to FortiManager version 6.4.15 or above Please upgrade to FortiManager version 6.2.14 or above Please upgrade …
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