Incorrect permission assignment for critical resource in Cisco IOS XR - CVE-2024-20456

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Main Vulnerability Database Vulnerabilities #VU94090

Incorrect permission assignment for critical resource in Cisco IOS XR - CVE-2024-20456

Published: July 10, 2024


Vulnerability identifier: #VU94090
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-20456
CWE-ID: CWE-732
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco IOS XR

Detailed vulnerability description

The vulnerability allows a local user to bypass secure boot protections.

The vulnerability exists due to an error in the software build process. A local user can bypass the Cisco Secure Boot functionality and load unverified software on an affected device.


How to mitigate CVE-2024-20456

Install updates from vendor's website.

Sources