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CVE-2022-20927

HIGH CVSS: 7.7 Published: 2022-11-15 Modified: 2026-08-11

Description

A vulnerability in the SSL/TLS client of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper memory management when a device initiates SSL/TLS connections. An attacker could exploit this vulnerability by ensuring that the device will connect to an SSL/TLS server that is using specific encryption parameters. A successful exploit could allow the attacker to cause the affected device to unexpectedly reload, resulting in a DoS condition.

Affected Platforms

Cisco Adaptive Security Appliance SoftwareCisco Firepower Services Software For AsaCisco Secure Firewall Threat Defense

Weakness Type

CWE-120, NVD-CWE-noinfo

References