SB2026030502 - Denial of service in Cisco Secure Firewall Management Center and Cisco FTD
Published: March 5, 2026
Security Bulletin ID
SB2026030502
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper initialization (CVE-ID: CVE-2026-20065)
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to an error in the binder module initialization logic of the Snort Detection Engine. A remote attacker can send specially crafted packets through an established connection that is parsed by Snort 3 and perform a denial of service attack.
Remediation
Install update from vendor's website.