CVE-2022-35728 — In BIG-IP Versions 17

In BIG-IP Versions 17.0.x before 17.0.0.1, 16.1.x before 16.1.3.1, 15.1.x before 15.1.6.1, 14.1.x before 14.1.5.1, and all versions of 13.1.x, and BIG-IQ version 8.x before 8.2.0 and all versions of 7.x, an authenticated user's iControl REST token may remain valid for a limi

01What is this vulnerability?

In BIG-IP Versions 17.0.x before 17.0.0.1, 16.1.x before 16.1.3.1, 15.1.x before 15.1.6.1, 14.1.x before 14.1.5.1, and all versions of 13.1.x, and BIG-IQ version 8.x before 8.2.0 and all versions of 7.x, an authenticated user's iControl REST token may remain valid for a limited time after logging out from the Configuration utility. Note: Software versions which have reached End of Technical…

02Affected products

Vendor	Product	Versions
F5	BIG	IP — 13.1.0, 14.1.x, 15.1.x, 16.1.x, 17.0.x
F5	BIG	IQ Centralized Management — 8.0.x, 7.0.0

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: 2022-08-04T17:49:50.388Z
• Last modified: 2024-09-16T16:42:29.606Z

09References

• support.f5.com — https://support.f5.com/csp/article/K55580033