CVE-2024-20397
Severity CVSS v4.0:
Pending analysis
Type:
CWE-284
Improper Access Control
Publication date:
04/12/2024
Last modified:
05/02/2025
Description
A vulnerability in the bootloader of Cisco NX-OS Software could allow an unauthenticated attacker with physical access to an affected device, or an authenticated, local attacker with administrative credentials, to bypass NX-OS image signature verification. This vulnerability is due to insecure bootloader settings. An attacker could exploit this vulnerability by executing a series of bootloader commands. A successful exploit could allow the attacker to bypass NX-OS image signature verification and load unverified software.
Impact
Base Score 3.x
5.20
Severity 3.x
MEDIUM