CVE-2017-12331CWE-347

A vulnerability in Cisco NX-OS System Software could allow an authenticated, local attacker to bypass signature verification when loading a software patch

published November 30, 2017

CVSS
—
EPSS
0%
Percentile
13.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00233 · 13.3th percentile
Weakness
CWE-347 · Improper Verification of Cryptographic Signature
Published
2017-11-30T09:00Z
EPSS history
Timeline
  • 30 NOV 09:00Z
    A vulnerability in Cisco NX-OS System Software could allow an authenticated, local attacker to bypass signature verification when loading a software patch
    cvelistv5