CVE-2022-35243 — In BIG-IP Versions 16

In BIG-IP Versions 16.1.x before 16.1.3, 15.1.x before 15.1.5.1, 14.1.x before 14.1.5, and all versions of 13.1.x, when running in Appliance mode, an authenticated user assigned the Administrator role may be able to bypass Appliance mode restrictions, using an undisclosed iContro

01What is this vulnerability?

In BIG-IP Versions 16.1.x before 16.1.3, 15.1.x before 15.1.5.1, 14.1.x before 14.1.5, and all versions of 13.1.x, when running in Appliance mode, an authenticated user assigned the Administrator role may be able to bypass Appliance mode restrictions, using an undisclosed iControl REST endpoint. A successful exploit can allow the attacker to cross a security boundary. Note: Software versions…

02Affected products

Vendor	Product	Versions
F5	BIG	IP — 13.1.0, 14.1.x, 15.1.x, 16.1.x, 17.0.0

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: 2022-08-04T17:49:19.345Z
• Last modified: 2024-09-16T22:15:58.079Z

09References

• support.f5.com — https://support.f5.com/csp/article/K11010341