CVE-2016-1453

Name: CVE-2016-1453
Creator: NVD / NIST
Published: 2016-10-06T10:59:02.693+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 8.07%

Last modified Jun 17, 2026

CVE-2016-1453 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Buffer overflow in the Overlay Transport Virtualization (OTV) GRE feature in Cisco NX-OS 5.0 through 7.3 on Nexus 7000 and 7700 devices allows remote attackers to execute arbitrary code via long parameters in a packet header, aka Bug ID CSCuy95701.. EPSS estimates a 8.07% chance of exploitation in the next 30 days.

Description

Buffer overflow in the Overlay Transport Virtualization (OTV) GRE feature in Cisco NX-OS 5.0 through 7.3 on Nexus 7000 and 7700 devices allows remote attackers to execute arbitrary code via long parameters in a packet header, aka Bug ID CSCuy95701.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

8.07%

94.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Cisco	Nx-Os	4.1.\(2\)
Cisco	Nx-Os	4.1.\(3\)
Cisco	Nx-Os	4.1.\(4\)
Cisco	Nx-Os	4.1.\(5\)
Cisco	Nx-Os	4.2\(3\)
Cisco	Nx-Os	4.2\(4\)
Cisco	Nx-Os	4.2\(6\)
Cisco	Nx-Os	4.2\(8\)
Cisco	Nx-Os	4.2.\(2a\)
Cisco	Nx-Os	5.0\(2a\)
Cisco	Nx-Os	5.0\(3\)
Cisco	Nx-Os	5.0\(5\)
Cisco	Nx-Os	5.1\(1\)
Cisco	Nx-Os	5.1\(1a\)
Cisco	Nx-Os	5.1\(3\)
Cisco	Nx-Os	5.1\(4\)
Cisco	Nx-Os	5.1\(5\)
Cisco	Nx-Os	5.1\(6\)
Cisco	Nx-Os	5.2\(1\)
Cisco	Nx-Os	5.2\(3a\)
Cisco	Nx-Os	5.2\(4\)
Cisco	Nx-Os	5.2\(5\)
Cisco	Nx-Os	5.2\(7\)
Cisco	Nx-Os	5.2\(9\)
Cisco	Nx-Os	6.0\(1\)
Cisco	Nx-Os	6.0\(2\)
Cisco	Nx-Os	6.0\(3\)
Cisco	Nx-Os	6.0\(4\)
Cisco	Nx-Os	6.1\(1\)
Cisco	Nx-Os	6.1\(2\)
Cisco	Nx-Os	6.1\(3\)
Cisco	Nx-Os	6.1\(4\)
Cisco	Nx-Os	6.1\(4a\)
Cisco	Nx-Os	6.1\(5\)
Cisco	Nx-Os	6.2\(2\)
Cisco	Nx-Os	6.2\(2a\)
Cisco	Nx-Os	6.2\(6\)
Cisco	Nx-Os	6.2\(6b\)
Cisco	Nx-Os	6.2\(8\)
Cisco	Nx-Os	6.2\(8a\)
Cisco	Nx-Os	6.2\(8b\)
Cisco	Nx-Os	6.2\(10\)
Cisco	Nx-Os	6.2\(12\)
Cisco	Nx-Os	6.2\(14\)s1
Cisco	Nx-Os	7.2\(0\)n1\(0.1\)
Cisco	Nx-Os	base

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-otvMitigation, Vendor Advisory
http://www.securityfocus.com/bid/93409Not Applicable, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036946Not Applicable, Third Party Advisory, VDB Entry
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-otvMitigation, Vendor Advisory
http://www.securityfocus.com/bid/93409Not Applicable, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036946Not Applicable, Third Party Advisory, VDB Entry

Timeline

Published: Oct 6, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-1453?

How severe is CVE-2016-1453?

CVE-2016-1453 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 8.07% probability of exploitation in the next 30 days.

How do I fix CVE-2016-1453?

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-2016-1453?

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

Scan your code now

Source: NVD / NIST