Is CVE-2014-3409 being actively exploited?

CVE-2014-3409 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-3409?

CVE-2014-3409 has a CVSS 2.0 base score of 6.1 (MEDIUM).

CVE-2014-3409

MEDIUM · CVSS 6.1EPSS 1.0%EU EUVD

The Ethernet Connectivity Fault Management (CFM) handling feature in Cisco IOS 12.2(33)SRE9a and earlier and IOS XE 3.13S and earlier allows remote attackers to cause a denial of service (device reload) via malformed CFM packets, aka Bug ID CSCuq93406.

Key facts

CVSS score: 6.1 (v2.0)
Severity: MEDIUM
CVSS vector: AV:A/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-399
EPSS score: 1.0% (62th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-3422)
Published: October 25, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-3422 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

cisco / ios
cisco / ios xe

Certified products that may be affected

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

Cisco Catalyst 4500 Series Wired Access Switches running IOS-XE 3.10 - Cisco Systems, Inc. - Common Criteria CCEVS-VR-10906-2018 - archived
Cisco Catalyst 3K/4K Wired Access Switches running IOS-XE 3.8.0E - Cisco Systems, Inc. - Common Criteria CCEVS-VR-VID-10688-2016 - archived
Cisco Aggregation Services Router (ASR) 1000 Series, IOS XE 3.13 - Cisco Systems, Inc. - Common Criteria CCEVS-VR-VID-10609-2015 - archived
Cisco Integrated Services Router 4400 Series (ISR-4400), IOS XE 3.13.0 - Cisco Systems, Inc. - Common Criteria CCEVS-VR-VID-10600-2015 - archived
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

See all 9 in the Security Certifications Explorer.

References

http://secunia.com/advisories/61799
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3409(Vendor Advisory)
http://tools.cisco.com/security/center/viewAlert.x?alertId=36184(Vendor Advisory)
http://www.securityfocus.com/bid/70715(Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id/1031119(Third Party Advisory, VDB Entry)
https://exchange.xforce.ibmcloud.com/vulnerabilities/97758

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

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