Riskcovery

CVE-2024-20397

Cisco NX-OS Software Image Verification Bypass Vulnerability

State
Published
Severity
5.2 Medium
Published
Dec 4, 2024
Updated
Apr 8, 2025
Reserved
Nov 8, 2023

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.15.2 MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:Ncisco

Weaknesses

Affected Products

ProductVersions
Cisco NX-OS SoftwareCisco
  • 8.2(5)Affected
  • 7.3(5)D1(1)Affected
  • 8.4(2)Affected
  • 8.4(3)Affected
  • 9.2(3)Affected
  • 7.0(3)I5(2)Affected
  • 8.2(1)Affected
  • 6.0(2)A8(7a)Affected
  • 7.0(3)I4(5)Affected
  • 7.3(1)D1(1)Affected
  • 7.0(3)I4(6)Affected
  • 7.0(3)I4(3)Affected
  • 9.2(2v)Affected
  • 7.3(0)D1(1)Affected
  • 7.0(3)I4(7)Affected
  • 7.0(3)I4(1)Affected
  • 7.0(3)I4(8)Affected
  • 7.0(3)I4(2)Affected
  • 6.0(2)A8(11)Affected
  • 7.3(4)D1(1)Affected
  • 9.2(1)Affected
  • 9.2(2t)Affected
  • 9.2(3y)Affected
  • 7.0(3)I4(1t)Affected
  • 7.0(3)I7(6z)Affected
  • and 160 more versions
Cisco NX-OS System Software in ACI ModeCisco
  • 14.1(1j)Affected
  • 14.0(3d)Affected
  • 14.1(1k)Affected
  • 13.2(1m)Affected
  • 14.0(3c)Affected
  • 13.2(2l)Affected
  • 13.2(7k)Affected
  • 14.1(1l)Affected
  • 14.2(2f)Affected
  • 13.2(3s)Affected
  • 13.2(2o)Affected
  • 14.0(2c)Affected
  • 14.1(2m)Affected
  • 13.2(5e)Affected
  • 14.1(2o)Affected
  • 13.2(7f)Affected
  • 13.2(41d)Affected
  • 13.2(4d)Affected
  • 13.2(3o)Affected
  • 13.2(1l)Affected
  • 14.0(1h)Affected
  • 13.2(3n)Affected
  • 14.2(1l)Affected
  • 14.2(2e)Affected
  • 13.2(4e)Affected
  • and 100 more versions
Cisco Unified Computing System (Managed)Cisco
  • 4.0(4c)Affected
  • 4.0(2b)Affected
  • 4.1(2a)Affected
  • 4.0(1a)Affected
  • 4.0(2a)Affected
  • 4.0(1b)Affected
  • 4.1(1c)Affected
  • 4.0(4a)Affected
  • 4.0(4b)Affected
  • 4.0(2e)Affected
  • 4.1(1a)Affected
  • 4.0(4d)Affected
  • 4.0(4h)Affected
  • 4.0(4g)Affected
  • 4.0(1d)Affected
  • 4.1(1e)Affected
  • 4.0(4f)Affected
  • 4.0(4e)Affected
  • 4.0(4i)Affected
  • 4.1(1d)Affected
  • 4.0(2d)Affected
  • 4.1(1b)Affected
  • 4.0(1c)Affected
  • 4.1(2b)Affected
  • 4.0(4k)Affected
  • and 46 more versions

References

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