SB2024042464 - Denial of service in Cisco Adaptive Security Appliance and Firepower Threat Defense Software Web Services
Published: April 24, 2024 Updated: April 25, 2024
Security Bulletin ID
SB2024042464
Severity
High
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) Infinite loop (CVE-ID: CVE-2024-20353)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop when parsing HTTP headers. A remote attacker can send specially crafted HTTP request to the appliance and perform a denial of service (DoS) attack.
Note, the vulnerability is being actively exploited in the wild.
Remediation
Install update from vendor's website.