CVE detail

CVE-2020-27124 — CVE-2020-27124

Published 2024-11-18 · Modified 2026-06-17 · Vendor cisco · Product adaptive_security_appliance_software · Source nvd
HIGH
severity
CVSS-derived band
8.6
CVSS v3
0–10 scale
0.0088
EPSS probability
exploitation probability, 30d
56.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog

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.

Remediation

ProductVulnerable rangeFixed versionAdvisory
Cisco Cisco Adaptive Security Appliance (ASA) Softwarenot specifiedadvisory ↗

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.