CVE-2022-20743 Cisco Firepower Management Center File Upload Security Bypass Vulnerability
Authenticated attackers can bypass file upload restrictions to store malicious files, potentially leading to arbitrary code execution with root privileges.
- 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-2022-20743?
CVE-2022-20743 is a medium-severity vulnerability in Cisco Secure Firewall Management Center, published on 3 May 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability in the web management interface of Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attacker to bypass security protections and upload malicious files to the affected system. This vulnerability is due to improper validation of files uploaded to the web management interface of Cisco FMC Software. An attacker could exploit this vulnerability by uploading a maliciously crafted file to a device running affected software. A successful exploit could allow the attacker to store malicious files on the device, which they could access later to conduct additional attacks, including executing arbitrary code on the affected device with root privileges.
Weakness: CWE-434
Which versions are affected by CVE-2022-20743?
It affects 1 product.
Products include Cisco Secure Firewall Management Center.
How do I fix CVE-2022-20743?
No fix has been published for CVE-2022-20743 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-20743 being exploited?
There is no known exploitation of CVE-2022-20743 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-5cj7-j8hc-47xc.