CVE-2023-22636 — An unauthorized configuration download vulnerability in FortiWeb 6

An unauthorized configuration download vulnerability in FortiWeb 6.3.6 through 6.3.21, 6.4.0 through 6.4.2 and 7.0.0 through 7.0.4 may allow a local attacker to access confidential configuration files via a crafted http request.

01What is this vulnerability?

An unauthorized configuration download vulnerability in FortiWeb 6.3.6 through 6.3.21, 6.4.0 through 6.4.2 and 7.0.0 through 7.0.4 may allow a local attacker to access confidential configuration files via a crafted http request.

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: 2023-02-27T08:55:03.706Z
• Last modified: 2024-10-23T14:32:01.030Z

09References

• fortiguard.com — https://fortiguard.com/psirt/FG-IR-22-460