CVE-2022-20715

HIGH

Cisco Adaptive Security Appliance and Firepower Threat Defense - Denial of Service via Remote Access SSL VPN

Title source: llm
STIX 2.1

Description

A vulnerability in the remote access SSL VPN features of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper validation of errors that are logged as a result of client connections that are made using remote access VPN. An attacker could exploit this vulnerability by sending crafted requests to an affected system. A successful exploit could allow the attacker to cause the affected device to restart, resulting in a DoS condition.

References (1)

Core 1
Core References

Scores

CVSS v3 8.6
EPSS 0.0056
EPSS Percentile 68.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Details

CWE
CWE-399 CWE-20
Status published
Products (3)
cisco/adaptive_security_appliance_software < 9.8.4.44
cisco/firepower_threat_defense 7.1.0
cisco/firepower_threat_defense < 6.4.0.15
Published May 03, 2022
Tracked Since Feb 18, 2026