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CVE-2021-34792

HIGH CVSS: 8.6 Published: 2021-10-27 Modified: 2026-08-11

Description

A vulnerability in the memory management of Cisco Adaptive Security Appliance (ASA) Software and 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 resource management when connection rates are high. An attacker could exploit this vulnerability by opening a significant number of connections on an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Affected Platforms

Cisco Asa 5555-X FirmwareCisco Asa 5555-XCisco Asa 5525-XCisco Asa 5585-XCisco Secure Firewall Threat DefenseCisco Adaptive Security Appliance SoftwareCisco Asa 5512-X FirmwareCisco Asa 5512-XCisco Asa 5515-XCisco Asa 5545-X Firmware

Weakness Type

CWE-400, CWE-401

References