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CVE-2015-6359

6.1 · MEDIUM

The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS 15.3(3)S0.1 on ASR devices mishandles internal tables, which allows remote attackers to cause a denial of service…

Published Dec 15, 2015ciscoCWE-119EPSS 0.91%

Overview

CVE-2015-6359 is a medium-severity vulnerability affecting cisco ios. It was published on December 15, 2015 and has a CVSS 2.0 base score of 6.1 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.1, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS 15.3(3)S0.1 on ASR devices mishandles internal tables, which allows remote attackers to cause a denial of service (memory consumption or device crash) via a flood of crafted ND messages, aka Bug ID CSCup28217.

Remediation

Check the references section for vendor advisories and patches from cisco. Update ios 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/CiscoSecurityAdvisory/cisco-sa-20151214-iosRefwww.securityfocus.com/bid/79200Refwww.securitytracker.com/id/1034432Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151214-iosRefwww.securityfocus.com/bid/79200Refwww.securitytracker.com/id/1034432

How CyberStrike helps

Frequently asked questions

What is CVE-2015-6359?

CVE-2015-6359 is a medium-severity vulnerability affecting cisco ios. It was published on December 15, 2015 and has a CVSS 2.0 base score of 6.1 (MEDIUM).

How severe is CVE-2015-6359?

This vulnerability has a CVSS 2.0 base score of 6.1, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-6359?

Check the references section for vendor advisories and patches from cisco. Update ios 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-2015-6359?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-6359 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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