SB2024102373 - Denial of service and brute-force attack in Cisco ASA and FTD Remote Access VPN

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Main Vulnerability Database SB2024102373

SB2024102373 - Denial of service and brute-force attack in Cisco ASA and FTD Remote Access VPN

Published: October 23, 2024

Security Bulletin ID SB2024102373
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Missing Release of Resource after Effective Lifetime (CVE-ID: CVE-2024-20481)

CWE-ID: CWE-772 - Missing Release of Resource after Effective Lifetime

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:A/U:Amber


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.

References