CVE-2017-3809 Denial of service in Cisco Firepower Management Center (FMC) 6.1.0 6.2.0
An unauthenticated remote attacker can prevent the deployment of accurate security rules in Cisco Firepower Management Center, causing a denial of service.
- 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-2017-3809?
CVE-2017-3809 is a medium-severity denial of service vulnerability in Cisco Secure Firewall Management Center, published on 3 Feb 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the Policy deployment module of the Cisco Firepower Management Center (FMC) could allow an unauthenticated, remote attacker to prevent deployment of a complete and accurate rule base. More Information: CSCvb95281. Known Affected Releases: 6.1.0 6.2.0. Known Fixed Releases: 6.1.0.1 6.2.0.
Weakness: CWE-20
Which versions are affected by CVE-2017-3809?
It affects 1 product.
Products include Cisco Secure Firewall Management Center.
How do I fix CVE-2017-3809?
No fix has been published for CVE-2017-3809 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2017-3809 being exploited?
There is no known exploitation of CVE-2017-3809 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-vm9g-p7f2-j795.