CVE-2020-5853 Cross-site scripting in BIG-IP APM
Attackers can inject malicious JavaScript via backend servers to cause name conflicts in BIG-IP APM portal access, potentially compromising session integrity.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-5853?
CVE-2020-5853 is a medium-severity cross-site scripting vulnerability in F5 Big-Ip Access Policy Manager, published on 14 Jan 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
In BIG-IP APM portal access on versions 15.0.0-15.1.0, 14.0.0-14.1.2.3, 13.1.0-13.1.3.2, 12.1.0-12.1.5, and 11.5.2-11.6.5.1, when backend servers serve HTTP pages with special JavaScript code, this can lead to internal portal access name conflict.
Weakness: CWE-79
Which versions are affected by CVE-2020-5853?
It affects 1 product.
Products include F5 Big-Ip Access Policy Manager.
How do I fix CVE-2020-5853?
No fix has been published for CVE-2020-5853 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2020-5853 being exploited?
There is no known exploitation of CVE-2020-5853 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-7mwx-h8w3-g965.