Is CVE-2013-6981 being actively exploited?

CVE-2013-6981 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-6981?

CVE-2013-6981 has a CVSS 2.0 base score of 5.4 (MEDIUM).

CVE-2013-6981

MEDIUM · CVSS 5.4EPSS 3.0%EU EUVD

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.

Key facts

CVSS score: 5.4 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:H/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-20
EPSS score: 3.0% (87th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-6782)
Published: December 28, 2013
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-6782 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe
cisco / ios xe

Certified products that may be affected

4 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Cisco Catalyst 3650, 3850, 4500E (Sup7E, Sup7LE, Sup8E), 4500X, 4500XF running IOS-XE 3.6.1S - Cisco Systems, Inc. - Common Criteria CCEVS-VR-VID-10607-2014 - archived
Cisco Catalyst 3850 Series Switches running IOS-XE 3.6.0E and Catalyst 6500 Series Switches running IOS 15.1(2)SY3 - Cisco Systems, Inc. - Common Criteria NSCIB-CC-14-39582-CR - archived
Cisco Catalyst 4500 Series switches (4503-E, 4506-E, 4507R+E, 4510R+E, 4500X and 4500X-F) running IOS-XE 3.5.2E - Cisco Systems, Inc. - Common Criteria CRP276 - archived
Cisco Aggregation Services Router (ASR) 1000 Series running IOS XE version 2.4.2t - Cisco Systems, Inc. - Common Criteria CCEVS-VR-10361-2011 - archived

References

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

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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