CVE-2022-20938 XML external entity in Cisco Firepower Management Center
An authenticated attacker can exploit an XML External Entity vulnerability in Cisco FMC to read sensitive data via a crafted XML file.
- 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-2022-20938?
CVE-2022-20938 is a medium-severity vulnerability in Cisco Secure Firewall Management Center, published on 10 Nov 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability in the module import function of the administrative interface of Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attacker to view sensitive information. This vulnerability is due to insufficient validation of the XML syntax when importing a module. An attacker could exploit this vulnerability by supplying a specially crafted XML file to the function. A successful exploit could allow the attacker to read sensitive data that would normally not be revealed.
Weakness: CWE-611
Which versions are affected by CVE-2022-20938?
It affects 1 product.
Products include Cisco Secure Firewall Management Center.
How do I fix CVE-2022-20938?
No fix has been published for CVE-2022-20938 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-20938 being exploited?
There is no known exploitation of CVE-2022-20938 in the wild and no public exploit code.
Other vulnerabilities in Cisco Secure Firewall Management Center
- CVE-2026-20079 Cisco Firewall Management Center Authentication Bypass Using an Alternate Path or Channel
- CVE-2026-20131 Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management Deserialization of Untrusted Data
- CVE-2026-20316 Cisco Secure Firewall Management Center Use of Hard-coded Password
- CVE-2025-20265 Cisco Secure Firewall Management Center Software Radius Remote Code Execution Vulnerability
- CVE-2024-20424 Command injection in Cisco Firepower Management Center
Sources
Also known as GHSA-3qwc-gvhp-6f85.