CVE-2020-5943 Information disclosure in BIG-IP
Attackers can read protected fields like passwords from REST responses because they are obfuscated instead of encrypted, exposing sensitive credentials.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-5943?
CVE-2020-5943 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, published on 5 Nov 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In versions 14.1.0-14.1.0.1 and 14.1.2.5-14.1.2.7, when a BIG-IP object is created or listed through the REST interface, the protected fields are obfuscated in the REST response, not protected via a SecureVault cryptogram as TMSH does. One example of protected fields is the GTM monitor password.
Weakness: CWE-327
Which versions are affected by CVE-2020-5943?
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-2020-5943?
No fix has been published for CVE-2020-5943 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-5943 being exploited?
There is no known exploitation of CVE-2020-5943 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-qhcv-443v-wjgq.