CVE-2017-12331

Medium

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.

SeverityMedium
CVSS6.7
Exploit probability—
ProductCisco Nx-os
PublishedNov 30, 2017
First seenNov 30, 2017
Weakness typeCWE-347CWE-347

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
cisco nx-os8.1\(1\)—
cisco unified_computing_system7.0\(0\)hsk\(0.357\)—

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