CVE-2020-27124

HIGH

Cisco ASA - DoS

Title source: llm
STIX 2.1

Description

A vulnerability in the SSL/TLS handler of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause the affected device to reload unexpectedly, leading to a denial of service (DoS) condition. The vulnerability is due to improper error handling on established SSL/TLS connections. An attacker could exploit this vulnerability by establishing an SSL/TLS connection with the affected device and then sending a malicious SSL/TLS message within that connection. A successful exploit could allow the attacker to cause the device to reload.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Scores

CVSS v3 8.6
EPSS 0.0177
EPSS Percentile 82.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-457
Status published
Products (3)
cisco/adaptive_security_appliance_software 9.13.1.12
cisco/adaptive_security_appliance_software 9.13.1.13
cisco/adaptive_security_appliance_software 9.14.1.10
Published Nov 18, 2024
Tracked Since Feb 18, 2026