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5.2 Medium

CVE-2024-20397 A vulnerability in the bootloader of Cisco NX-OS Software could allow an unauthenticated attacker with physical access…

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.

Affected products and versions

Product Affected versions Fixed in
Cisco NX-OS Software Versions not published
Cisco NX-OS System Software in ACI Mode Versions not published
Cisco Unified Computing System (Managed) Versions not published

References

Timeline

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