CVE-2017-12333

MEDIUM

Cisco NX-OS System Software - Privilege Escalation

Title source: llm
STIX 2.1

Description

A vulnerability in Cisco NX-OS System Software could allow an authenticated, local attacker to bypass signature verification when loading a software image. The vulnerability is due to insufficient NX-OS signature verification for software images. An authenticated, local attacker could exploit this vulnerability to bypass signature verification and load a crafted, unsigned software image 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: CSCvf25045, CSCvf31495.

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/102161
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039933

Scores

CVSS v3 6.7
EPSS 0.0023
EPSS Percentile 13.2%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-347
Status published
Products (3)
cisco/nx-os 8.1\(1\)
cisco/unified_computing_system 7.0\(0\)hsk\(0.357\)
n/a/Cisco NX-OS Cisco NX-OS
Published Nov 30, 2017
Tracked Since Feb 18, 2026