CVE-2016-6457

Name: CVE-2016-6457
Creator: NVD / NIST
Published: 2016-11-19T03:03:00.303+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.72%

Last modified Jun 17, 2026

CVE-2016-6457 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A vulnerability in the Cisco Nexus 9000 Series Platform Leaf Switches for Application Centric Infrastructure (ACI) could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on the affected device. This vulnerability affects Cisco Nexus 9000 Series Leaf Switches (TOR) - ACI Mode and Cisco Application Policy Infrastructure Controller (APIC). EPSS estimates a 0.72% chance of exploitation in the next 30 days.

Description

A vulnerability in the Cisco Nexus 9000 Series Platform Leaf Switches for Application Centric Infrastructure (ACI) could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on the affected device. This vulnerability affects Cisco Nexus 9000 Series Leaf Switches (TOR) - ACI Mode and Cisco Application Policy Infrastructure Controller (APIC). More Information: CSCuy93241. Known Affected Releases: 11.2(2x) 11.2(3x) 11.3(1x) 11.3(2x) 12.0(1x). Known Fixed Releases: 11.2(2i) 11.2(2j) 11.2(3f) 11.2(3g) 11.2(3h) 11.2(3l) 11.3(0.236) 11.3(1j) 11.3(2i) 11.3(2j) 12.0(1r).

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.72%

49.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Cisco	Application Policy Infrastructure Controller	1.2\(2\)
Cisco	Application Policy Infrastructure Controller	1.2\(3\)
Cisco	Application Policy Infrastructure Controller	1.3\(1\)
Cisco	Application Policy Infrastructure Controller	1.3\(2\)
Cisco	Application Policy Infrastructure Controller	2.0\(1\)
Cisco	Nx-Os	11.2\(2g\)
Cisco	Nx-Os	11.2\(2h\)
Cisco	Nx-Os	11.2\(2i\)
Cisco	Nx-Os	11.2\(3c\)
Cisco	Nx-Os	11.2\(3e\)
Cisco	Nx-Os	11.2\(3h\)
Cisco	Nx-Os	11.3\(1i\)
Cisco	Nx-Os	11.3\(2f\)
Cisco	Nx-Os	11.3\(2h\)
Cisco	Nx-Os	11.3\(2i\)
Cisco	Nx-Os	12.0\(1m\)
Cisco	Nx-Os	12.0\(1n\)
Cisco	Nx-Os	12.0\(1o\)
Cisco	Nx-Os	12.0\(1p\)
Cisco	Nx-Os	12.0\(1q\)

References

http://www.securityfocus.com/bid/94077Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037185Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161102-n9kapicMitigation, Vendor Advisory
http://www.securityfocus.com/bid/94077Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037185Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161102-n9kapicMitigation, Vendor Advisory

Timeline

Published: Nov 19, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-6457?

How severe is CVE-2016-6457?

CVE-2016-6457 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.

How do I fix CVE-2016-6457?

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-2016-6457?

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

Scan your code now

Source: NVD / NIST