CVE-2026-20001 Cisco Secure Firewall Management Center Software SQL Injection Vulnerabilities
Authenticated attackers can exploit SQL injection in Cisco Secure FMC to read database contents and underlying OS files.
- 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-2026-20001?
CVE-2026-20001 is a medium-severity SQL injection vulnerability in Cisco Secure Firewall Management Center (FMC), published on 4 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability in the REST API of Cisco Secure FMC Software could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected system. This vulnerability is due to inadequate validation of user-supplied input. An attacker could exploit this vulnerability by sending crafted requests to an affected device. A successful exploit could allow the attacker to obtain read access to the database and read certain files on the underlying operating system. To exploit this vulnerability, the attacker would need valid user credentials with any of the following roles: Administrator Security approver Access admin Network admin
Weakness: CWE-89
Which versions are affected by CVE-2026-20001?
How do I fix CVE-2026-20001?
No fix has been published for CVE-2026-20001 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-20001 being exploited?
There is no known exploitation of CVE-2026-20001 in the wild and no public exploit code.
Sources
Also known as GHSA-x463-pc3r-q5g5.