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CVE-2022-20826

MEDIUM CVSS: 6.4 Published: 2022-11-15 Modified: 2026-08-11

Description

A vulnerability in the secure boot implementation of Cisco Secure Firewalls 3100 Series that are running Cisco Adaptive Security Appliance (ASA) Software or Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated attacker with physical access to the device to bypass the secure boot functionality. This vulnerability is due to a logic error in the boot process. An attacker could exploit this vulnerability by injecting malicious code into a specific memory location during the boot process of an affected device. A successful exploit could allow the attacker to execute persistent code at boot time and break the chain of trust.

Affected Platforms

Cisco Secure Firewall Threat DefenseCisco Adaptive Security Appliance SoftwareCisco Secure Firewall 3140Cisco Secure Firewall 3130Cisco Secure Firewall 3120Cisco Secure Firewall 3105Cisco Secure Firewall 3110

Weakness Type

CWE-501, NVD-CWE-Other

References