Cisco Nexus 1000V VSM to vCenter Communication Man-in-the-Middle (CVE-2013-1212)

medium Tenable OT Security Plugin ID 501241


The remote OT asset is affected by a vulnerability.


The SSL functionality in Cisco NX-OS on the Nexus 1000V does not properly verify X.509 certificates, which allows man-in-the-middle attackers to spoof servers, and intercept or modify Virtual Supervisor Module (VSM) to VMware vCenter communication, via a crafted certificate, aka Bug ID CSCud14837.

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Refer to the vendor advisory.

See Also

Plugin Details

Severity: Medium

ID: 501241

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 7/25/2023

Updated: 12/14/2023

Supported Sensors: Tenable OT Security

Risk Information


Risk Factor: Low

Score: 3.6


Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N

CVSS Score Source: CVE-2013-1212


Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:nx-os:-

Required KB Items: Tenable.ot/Cisco

Exploit Ease: No known exploits are available

Patch Publication Date: 5/29/2013

Vulnerability Publication Date: 5/29/2013

Reference Information

CVE: CVE-2013-1212

CWE: 310