CVE-2022-29491 — On F5 BIG-IP LTM, Advanced WAF, ASM, or APM 16

On F5 BIG-IP LTM, Advanced WAF, ASM, or APM 16.1.x versions prior to 16.1.2.2, 15.1.x versions prior to 15.1.5, 14.1.x versions prior to 14.1.4.6, and all versions of 13.1.x, 12.1.x, and 11.6.x, when a virtual server is configured with HTTP, TCP on one side (client/server), and D

01What is this vulnerability?

On F5 BIG-IP LTM, Advanced WAF, ASM, or APM 16.1.x versions prior to 16.1.2.2, 15.1.x versions prior to 15.1.5, 14.1.x versions prior to 14.1.4.6, and all versions of 13.1.x, 12.1.x, and 11.6.x, when a virtual server is configured with HTTP, TCP on one side (client/server), and DTLS on the other (server/client), undisclosed requests can cause the TMM process to terminate. Note: Software versions…

02Affected products

Vendor	Product	Versions
F5	BIG	IP LTM, Advanced WAF, ASM, and APM — 13.1.x, 12.1.x, 11.6.x, 17.0.0, 16.1.x, 15.1.x, 14.1.x

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: 2022-05-05T16:49:14.729Z
• Last modified: 2024-09-16T18:03:59.842Z

09References

• support.f5.com — https://support.f5.com/csp/article/K14229426