CVE-2024-20397

Dec. 4, 2024, 5:15 p.m.

5.2
Medium

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.

Product(s) Impacted

Product Versions
Cisco NX-OS Software

Weaknesses

CWE-284
Improper Access Control
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

CVSS Score

5.2 / 10

CVSS Data

  • Attack Vector: PHYSICAL
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: LOW
  • Integrity Impact: HIGH
  • Availability Impact: NONE
  • View Vector String

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

Date

  • Published: Dec. 4, 2024, 5:15 p.m.
  • Last Modified: Dec. 4, 2024, 5:15 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

ykramarz@cisco.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.