CVE-2012-6396

Name: CVE-2012-6396
Creator: NVD / NIST
Published: 2013-01-19T20:55:01.043+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.90%

Last modified Jun 16, 2026

CVE-2012-6396 is a vulnerability of currently unknown severity. Cisco NX-OS on Nexus 7000 series switches does not properly handle certain line-card replacements, which might allow remote authenticated users to cause a denial of service (memory consumption) via a crafted configuration that references interfaces that do not exist on the new card, aka Bug ID CSCud44300.. EPSS estimates a 0.90% chance of exploitation in the next 30 days.

Description

Cisco NX-OS on Nexus 7000 series switches does not properly handle certain line-card replacements, which might allow remote authenticated users to cause a denial of service (memory consumption) via a crafted configuration that references interfaces that do not exist on the new card, aka Bug ID CSCud44300.

Metrics

EPSS Probability

0.90%

55.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions
Cisco	Nx-Os	All versions
Cisco	Nexus 7000	All versions
Cisco	Nexus 7000 10-Slot	All versions
Cisco	Nexus 7000 18-Slot	All versions
Cisco	Nexus 7000 9-Slot	All versions

References

Timeline

Published: Jan 19, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-6396?

How severe is CVE-2012-6396?

Severity scoring for CVE-2012-6396 is pending analysis. The EPSS model estimates a 0.90% probability of exploitation in the next 30 days.

How do I fix CVE-2012-6396?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-6396?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST