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CVE-2013-5556

6.8 · MEDIUM

The license-installation module on the Cisco Nexus 1000V switch 4.2(1)SV1(5.2b) and earlier for VMware vSphere, Cisco Nexus 1000V switch 5.2(1)SM1(5.1) for Microsoft Hyper-V, and Cisco Virtual Secu…

Published Nov 18, 2013ciscoCWE-264EPSS 0.32%

Overview

CVE-2013-5556 is a medium-severity vulnerability affecting cisco nexus_1000v. It was published on November 18, 2013 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

The license-installation module on the Cisco Nexus 1000V switch 4.2(1)SV1(5.2b) and earlier for VMware vSphere, Cisco Nexus 1000V switch 5.2(1)SM1(5.1) for Microsoft Hyper-V, and Cisco Virtual Security Gateway 4.2(1)VSG1(1) for Nexus 1000V switches allows local users to gain privileges and execute arbitrary commands via crafted "install all iso" arguments, aka Bug ID CSCui21340.

Remediation

Check the references section for vendor advisories and patches from cisco. Update nexus_1000v to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Reftools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5556Reftools.cisco.com/security/center/viewAlert.x?alertId=31774Reftools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5556Reftools.cisco.com/security/center/viewAlert.x?alertId=31774

How CyberStrike helps

Frequently asked questions

What is CVE-2013-5556?

CVE-2013-5556 is a medium-severity vulnerability affecting cisco nexus_1000v. It was published on November 18, 2013 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

How severe is CVE-2013-5556?

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2013-5556?

Check the references section for vendor advisories and patches from cisco. Update nexus_1000v to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2013-5556?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-5556 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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