SB2024102373 - Denial of service and brute-force attack in Cisco ASA and FTD Remote Access VPN
Published: October 23, 2024
Security Bulletin ID
SB2024102373
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) Missing Release of Resource after Effective Lifetime (CVE-ID: CVE-2024-20481)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to resource exhaustion in the Remote Access VPN (RAVPN) service. A remote attacker can perform password spraying attack, cause resource exhaustion and perform a denial of service attack against the RAVPN service.
Note, the vulnerability is being actively exploited in the wild.
Remediation
Install update from vendor's website.