CVE-2022-23027 Denial of service in BIG-IP

Medium 5.3 Published 25 Jan 2022 Updated 3 Aug 2024

Attackers can cause denial of service on BIG-IP virtual servers by sending undisclosed requests when specific persistence profiles are configured.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-23027?

CVE-2022-23027 is a medium-severity denial of service vulnerability in F5 Big-Ip Access Policy Manager, published on 25 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

On BIG-IP versions 15.1.x before 15.1.4, 14.1.x before 14.1.4.4, 13.1.x beginning in 13.1.3.6, 12.1.5.3-12.1.6, and 11.6.5.2, when a FastL4 profile and an HTTP, FIX, and/or hash persistence profile are configured on the same virtual server, undisclosed requests can cause the virtual server to stop processing new client connections. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Weakness: CWE-697

Which versions are affected by CVE-2022-23027?

It affects 14 products.

Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Advanced Web Application Firewall, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager and 8 more.

How do I fix CVE-2022-23027?

No fix has been published for CVE-2022-23027 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2022-23027 being exploited?

There is no known exploitation of CVE-2022-23027 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-v82p-7m9r-hmf6.