CVE-2023-48785 — An improper certificate validation vulnerability [CWE-295] in FortiNAC-F version

An improper certificate validation vulnerability [CWE-295] in FortiNAC-F version 7.2.4 and below may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the HTTPS communication channel between the FortiOS device, an inventory, and FortiNAC-F.

01What is this vulnerability?

An improper certificate validation vulnerability [CWE-295] in FortiNAC-F version 7.2.4 and below may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the HTTPS communication channel between the FortiOS device, an inventory, and FortiNAC-F.

02Affected products

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2025-03-14T15:46:57.799Z
• Last modified: 2025-03-14T17:17:09.570Z

09References

• fortiguard.com — https://fortiguard.com/psirt/FG-IR-23-288