CVE-2017-12333

published 2017-11-30

CVE-2017-12333: A vulnerability in Cisco NX-OS System Software could allow an authenticated, local attacker to bypass signature verification when loading a software image. The…

Priority P4 28 medium 6.7 CVSS 3.0

AV L AC L PR H UI N S U C H I H A H

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.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
cisco	nx-os	—	—
cisco	nx-os_system	—	—
cisco	unified_computing_system	—	—

CVSS provenance

nvd v3.0 6.7 MEDIUM CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

nvd v2.0 4.6 MEDIUM AV:L/AC:L/Au:N/C:P/I:P/A:P

vendor_cisco 6.7 MEDIUM

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CWE-347