Detections
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Cisco NX-OS Improper Verification of Cryptographic Signature (CVE-2017-12333)
medium Tenable OT Security Plugin ID 502753
Synopsis
The remote OT asset is affected by a vulnerability.Description
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.This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.
Solution
Refer to the vendor advisory.See Also
http://www.securityfocus.com/bid/102161
Plugin Details
Severity: Medium
ID: 502753
Version: 1.3
Type: remote
Family: Tenable.ot
Published: 12/4/2024
Updated: 12/5/2024
Supported Sensors: Tenable OT Security
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: Medium
Base Score: 4.6
Temporal Score: 3.4
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2017-12333
CVSS v3
Risk Factor: Medium
Base Score: 6.7
Temporal Score: 5.8
Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:cisco:nx-os:8.1%281%29
Required KB Items: Tenable.ot/Cisco
Exploit Ease: No known exploits are available
Patch Publication Date: 11/30/2017
Vulnerability Publication Date: 11/30/2017
Reference Information
CVE: CVE-2017-12333
CWE: 347