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Vulnerability record · CVE-2013-1212 · published 29 May 2013

CVE-2013-1212: Cisco nx-os vulnerability

Cisco · Nx Os

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.

5.8 CVSS 2.0 Medium EPSS 0.67% · top 49.8% CWE-310 · CWE-310
5.8CVSS 2.0 base score
0.67%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:M/Au:N/C:P/I:P/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1212 Vendor Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1212 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2013-1212), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.