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CVE-2015-0721

8.0 · HIGH

Cisco NX-OS 4.0 through 7.3 on Multilayer Director and Nexus 1000V, 2000, 3000, 3500, 4000, 5000, 5500, 5600, 6000, 7000, 7700, and 9000 devices allows remote authenticated users to bypass intended…

Published Oct 6, 2016CWE-264EPSS 2.75%

Overview

CVE-2015-0721 is a high-severity vulnerability. It was published on October 6, 2016 and has a CVSS 3.0 base score of 8.0 (HIGH).

This vulnerability has a CVSS 3.0 base score of 8.0, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Cisco NX-OS 4.0 through 7.3 on Multilayer Director and Nexus 1000V, 2000, 3000, 3500, 4000, 5000, 5500, 5600, 6000, 7000, 7700, and 9000 devices allows remote authenticated users to bypass intended AAA restrictions and obtain privileged CLI access via crafted parameters in an SSH connection negotiation, aka Bug IDs CSCum35502, CSCuw78669, CSCuw79754, and CSCux88492.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-nxaaaRefwww.securityfocus.com/bid/93410Refwww.securitytracker.com/id/1036947Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-nxaaaRefwww.securityfocus.com/bid/93410Refwww.securitytracker.com/id/1036947

How CyberStrike helps

Frequently asked questions

What is CVE-2015-0721?

CVE-2015-0721 is a high-severity vulnerability. It was published on October 6, 2016 and has a CVSS 3.0 base score of 8.0 (HIGH).

How severe is CVE-2015-0721?

This vulnerability has a CVSS 3.0 base score of 8.0, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2015-0721?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2015-0721?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-0721 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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