CVE-2017-12331

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.

Category

6.7
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.03%
Vendor Advisory cisco.com
Affected: n/a Cisco NX-OS
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-nxos vendor advisory
http://www.securityfocus.com/bid/102159 vdb entry
http://www.securitytracker.com/id/1039930 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-12331?
CVE-2017-12331 has been scored as a medium severity vulnerability.
How to fix CVE-2017-12331?
To fix CVE-2017-12331, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-12331 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-12331 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-12331?
CVE-2017-12331 affects n/a Cisco NX-OS.
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