CVE-2021-23016 Information disclosure in BIG-IP APM
Attackers can bypass APM restrictions to retrieve static content from BIG-IP APM Virtual Servers via crafted requests.
- 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-2021-23016?
CVE-2021-23016 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, published on 10 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
On BIG-IP APM versions 15.1.x before 15.1.3, 14.1.x before 14.1.4.1, 13.1.x before 13.1.4, and all versions of 16.0.x, 12.1.x, and 11.6.x, an attacker may be able to bypass APM's internal restrictions and retrieve static content that is hosted within APM by sending specifically crafted requests to an APM Virtual Server. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Which versions are affected by CVE-2021-23016?
It affects 1 product.
Products include F5 Big-Ip Access Policy Manager.
How do I fix CVE-2021-23016?
No fix has been published for CVE-2021-23016 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-23016 being exploited?
There is no known exploitation of CVE-2021-23016 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-322r-7497-6cm7.