CVEvulnerability

CVE-2017-12331

6.7 MEDIUM Published 2017-11-30 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2017-11-30
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
6.7 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
CWE-347

Description

A vulnerability in Cisco NX-OS System Software could allow an authenticated, local attacker to bypass signature verification when loading a software patch. The vulnerability is due to insufficient NX-OS signature verification for software patches. An authenticated, local attacker could exploit this vulnerability to bypass signature verification and load a crafted, unsigned software patch on a targeted device. The attacker would need valid administrator credentials to perform this exploit. This vulnerability affects the following products running Cisco NX-OS System Software: Multilayer Director Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Unified Computing System Manager. Cisco Bug IDs: CSCvf16494, CSCvf23655.

Affected configurations

• cisco nx-os 8.1\(1\) • cisco unified computing system 7.0\(0\)hsk\(0.357\)

Related

Weakness · CWE (1)

  • CWE-347 Improper Verification of Cryptographic Signature weakness

References