CVE-2022-20826 - CVE House
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Status published Medium CVE-2022-20826

A vulnerability in the secure boot implementation of Cisco Secure...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Cisco Adaptive Security Appliance (ASA) Software, Cisco Firepower Threat Defense Software
Vulnerable Versions:
9.17.1, 9.17.1.9, 9.17.1.10, 9.17.1.13, 9.18.1, 9.18.1.3, 7.1.0, 7.2.0, 7.2.0.1

Timeline

Official Publish: November 10th, 2022
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-501

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.