How severe is CVE-2013-1212?

CVE-2013-1212 has a CVSS 2.0 base score of 5.8, rated medium severity.

Is CVE-2013-1212 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-1212?

CVE-2013-1212 primarily affects Cisco Nx-os. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-1212?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-1212 published?

CVE-2013-1212 was published on 2013-05-29 and last updated on 2026-06-16.

CVE-2013-1212

CVE-2013-1212 is a medium-severity vulnerability in Cisco Nx-os with a CVSS 2.0 base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-310.

Key facts

Severity: Medium (CVSS 2.0 base score 5.8)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Cisco Nx-os
Published: 2013-05-29
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2013-1212?: 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.
How severe is CVE-2013-1212?: CVE-2013-1212 has a CVSS 2.0 base score of 5.8, rated medium severity.
Is CVE-2013-1212 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-1212?: CVE-2013-1212 primarily affects Cisco Nx-os. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-1212?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-1212 published?: CVE-2013-1212 was published on 2013-05-29 and last updated on 2026-06-16.

References

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

Affected products (2)

cpe:2.3:o:cisco:nx-os:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_1000v:-:*:*:*:*:*:*:*

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