CVE-2013-6981

Name: CVE-2013-6981
Creator: NVD / NIST
Published: 2013-12-28T04:53:06.74+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.03%

Last modified Jun 17, 2026

CVE-2013-6981 is a vulnerability of currently unknown severity. Cisco IOS XE 3.7S(.1) and earlier allows remote attackers to cause a denial of service (Packet Processor crash) via fragmented MPLS IP packets, aka Bug ID CSCul00709.. EPSS estimates a 3.03% chance of exploitation in the next 30 days.

Description

Cisco IOS XE 3.7S(.1) and earlier allows remote attackers to cause a denial of service (Packet Processor crash) via fragmented MPLS IP packets, aka Bug ID CSCul00709.

Metrics

EPSS Probability

3.03%

85.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Cisco	Ios Xe	<= 3.7s\(.1\)
Cisco	Ios Xe	2.5\(.0\)
Cisco	Ios Xe	2.6\(.0\)
Cisco	Ios Xe	2.6\(.1\)
Cisco	Ios Xe	2.6\(.2\)
Cisco	Ios Xe	3.1s\(.0\)
Cisco	Ios Xe	3.1s\(.1\)
Cisco	Ios Xe	3.1s\(.2\)
Cisco	Ios Xe	3.1s\(.3\)
Cisco	Ios Xe	3.2s\(.0\)
Cisco	Ios Xe	3.2s\(.1\)
Cisco	Ios Xe	3.2s\(.2\)
Cisco	Ios Xe	3.3s\(.0\)
Cisco	Ios Xe	3.3s\(.1\)
Cisco	Ios Xe	3.3s\(.2\)
Cisco	Ios Xe	3.4s\(.0\)
Cisco	Ios Xe	3.4s\(.1\)
Cisco	Ios Xe	3.4s\(.2\)
Cisco	Ios Xe	3.4s\(.3\)
Cisco	Ios Xe	3.4s\(.4\)
Cisco	Ios Xe	3.4s\(.5\)
Cisco	Ios Xe	3.4s\(.6\)
Cisco	Ios Xe	3.5s\(.0\)
Cisco	Ios Xe	3.5s\(.1\)
Cisco	Ios Xe	3.5s\(.2\)
Cisco	Ios Xe	3.6s\(.0\)
Cisco	Ios Xe	3.6s\(.1\)
Cisco	Ios Xe	3.6s\(.2\)
Cisco	Ios Xe	3.7s\(.0\)

References

http://osvdb.org/101423
http://secunia.com/advisories/56206
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6981Vendor Advisory
http://tools.cisco.com/security/center/viewAlert.x?alertId=32281Vendor Advisory
http://www.securityfocus.com/bid/64514Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1029538Third Party Advisory, VDB Entry
http://osvdb.org/101423
http://secunia.com/advisories/56206
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6981Vendor Advisory
http://tools.cisco.com/security/center/viewAlert.x?alertId=32281Vendor Advisory
http://www.securityfocus.com/bid/64514Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1029538Third Party Advisory, VDB Entry

Timeline

Published: Dec 28, 2013
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2013-6981?

Cisco IOS XE 3.7S(.1) and earlier allows remote attackers to cause a denial of service (Packet Processor crash) via fragmented MPLS IP packets, aka Bug ID CSCul00709.

How severe is CVE-2013-6981?

Severity scoring for CVE-2013-6981 is pending analysis. The EPSS model estimates a 3.03% probability of exploitation in the next 30 days.

How do I fix CVE-2013-6981?

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-2013-6981?

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

Scan your code now

Source: NVD / NIST