CVE-2020-5934 Denial of service in BIG-IP APM
Disrupts traffic to TMM via multiple HTTP requests on SAML SLO URLs, affecting BIG-IP APM availability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-5934?
CVE-2020-5934 is a medium-severity denial of service vulnerability in F5 Big-Ip Access Policy Manager, published on 29 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
On BIG-IP APM 15.1.0-15.1.0.5, 14.1.0-14.1.2.3, and 13.1.0-13.1.3.3, when multiple HTTP requests from the same client to configured SAML Single Logout (SLO) URL are passing through a TCP Keep-Alive connection, traffic to TMM can be disrupted.
Which versions are affected by CVE-2020-5934?
It affects 1 product.
Products include F5 Big-Ip Access Policy Manager.
How do I fix CVE-2020-5934?
No fix has been published for CVE-2020-5934 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-2020-5934 being exploited?
There is no known exploitation of CVE-2020-5934 in the wild and no public exploit code.
Other vulnerabilities in F5 Big-Ip Access Policy Manager
- CVE-2023-46747 F5 BIG-IP Configuration Utility Authentication Bypass
- CVE-2022-1388 F5 BIG-IP Missing Authentication
- CVE-2021-22986 F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution
- CVE-2021-22991 F5 BIG-IP Traffic Management Microkernel Buffer Overflow
- CVE-2020-5902 F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution
Sources
Also known as GHSA-j74v-h38w-f7cg.