SB2021102804 - Denial of service when handling multiple connections in Cisco Adaptive Security Appliance Software and Firepower Threat Defense
Published: October 28, 2021
Security Bulletin ID
SB2021102804
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) Resource exhaustion (CVE-ID: CVE-2021-34792)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper resource management when handling high connection rates. A remote attacker can establish a significant number of connections on an affected device and perform a denial of service attack.
Remediation
Install update from vendor's website.