CVE-2024-20397 | BDVDB-2026-257653 Detail

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#

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Exploit#

History#

1. Version 12024-12-04Record published in the CVE List.
2. Version 22025-04-08Most recent update recorded in the CVE List.