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OpenAdvisories
High · 8.6 CVE-2021-40117 EUVD-2021-27304GHSA-x7cf-699f-fpwc

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SSL/TLS Denial of Service Vulnerability

Published Oct 27, 2021 · Updated Nov 7, 2024 · Assigned by cisco

Description

A vulnerability in SSL/TLS message handler for 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 exists because incoming SSL/TLS packets are not properly processed. An attacker could exploit this vulnerability by sending a crafted SSL/TLS packet to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.

Affected products

VendorProductAffectedFixed
Cisco Cisco Adaptive Security Appliance (ASA) Software — —

References