CVE-2020-5861 Memory corruption in BIG-IP
A memory error in the TMM process can cause a core dump, leading to a denial of service on BIG-IP devices.
- 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-2020-5861?
CVE-2020-5861 is a high-severity memory corruption vulnerability in F5 Big-Ip Access Policy Manager, published on 27 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
On BIG-IP 12.1.0-12.1.5, the TMM process may produce a core file in some cases when Ram Cache incorrectly optimizes stored data resulting in memory errors.
Weakness: CWE-119
Which versions are affected by CVE-2020-5861?
It affects 11 products.
Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager, F5 Big-Ip Domain Name System and 5 more.
How do I fix CVE-2020-5861?
No fix has been published for CVE-2020-5861 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-5861 being exploited?
There is no known exploitation of CVE-2020-5861 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-gw53-p2vv-vpp6.