CVE-2016-6467

Name: CVE-2016-6467
Creator: NVD / NIST
Published: 2016-12-14T00:59:06.203+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.48%

Last modified Jun 17, 2026

CVE-2016-6467 is a vulnerability of currently unknown severity. A vulnerability in IPv6 packet fragment reassembly of StarOS for Cisco Aggregation Services Router (ASR) 5000 Series Switch could allow an unauthenticated, remote attacker to cause an unexpected reload of the Network Processing Unit (NPU) process. More Information: CSCva84552. EPSS estimates a 3.48% chance of exploitation in the next 30 days.

Description

A vulnerability in IPv6 packet fragment reassembly of StarOS for Cisco Aggregation Services Router (ASR) 5000 Series Switch could allow an unauthenticated, remote attacker to cause an unexpected reload of the Network Processing Unit (NPU) process. More Information: CSCva84552. Known Affected Releases: 20.0.0 21.0.0 21.0.M0.64702. Known Fixed Releases: 21.0.0 21.0.0.65256 21.0.M0.64970 21.0.V0.65150 21.1.A0.64973 21.1.PP0.65270 21.1.R0.65130 21.1.R0.65135 21.1.VC0.65203.

Metrics

EPSS Probability

3.48%

87.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions
Cisco	Asr 5000 Series Software	20.0.0
Cisco	Asr 5000 Series Software	21.0.0
Cisco	Asr 5000 Series Software	21.0.m0.64702

References

http://www.securityfocus.com/bid/94772Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037416Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161207-asrVendor Advisory
http://www.securityfocus.com/bid/94772Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037416Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161207-asrVendor Advisory

Timeline

Published: Dec 14, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-6467?

How severe is CVE-2016-6467?

Severity scoring for CVE-2016-6467 is pending analysis. The EPSS model estimates a 3.48% probability of exploitation in the next 30 days.

How do I fix CVE-2016-6467?

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-2016-6467?

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

Scan your code now

Source: NVD / NIST