7.2
CVSSv2

CVE-2017-12331

Published: 30/11/2017 Updated: 15/12/2017
CVSS v2 Base Score: 7.2 | Impact Score: 10 | Exploitability Score: 3.9
CVSS v3 Base Score: 6.7 | Impact Score: 5.9 | Exploitability Score: 0.8
VMScore: 641
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Vulnerability Summary

A vulnerability in Cisco NX-OS System Software could allow an authenticated, local malicious user 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 Products

Vendor Product Versions
CiscoUnified Computing System7.0(0)hsk(0.357)
CiscoNx-os8.1(1)

Vendor Advisories

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 an ...