CVE-2016-9201

Name: CVE-2016-9201
Creator: NVD / NIST
Published: 2016-12-14T00:59:21.943+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.55%

Last modified Jun 17, 2026

CVE-2016-9201 is a vulnerability of currently unknown severity. A vulnerability in the Zone-Based Firewall feature of Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, remote attacker to pass traffic that should otherwise have been dropped based on the configuration. More Information: CSCuz21015. EPSS estimates a 2.55% chance of exploitation in the next 30 days.

Description

A vulnerability in the Zone-Based Firewall feature of Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, remote attacker to pass traffic that should otherwise have been dropped based on the configuration. More Information: CSCuz21015. Known Affected Releases: 15.3(3)M3. Known Fixed Releases: 15.6(2)T0.1 15.6(2.0.1a)T0 15.6(2.19)T 15.6(3)M.

Metrics

EPSS Probability

2.55%

83.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Ios	15.3\(3\)m3

References

http://www.securityfocus.com/bid/94811Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037419Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161207-ios-zbfMitigation, Vendor Advisory
http://www.securityfocus.com/bid/94811Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037419Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161207-ios-zbfMitigation, Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2016-9201?

How severe is CVE-2016-9201?

Severity scoring for CVE-2016-9201 is pending analysis. The EPSS model estimates a 2.55% probability of exploitation in the next 30 days.

How do I fix CVE-2016-9201?

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-2016-9201?

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

Scan your code now

Source: NVD / NIST