Is CVE-2014-2155 being actively exploited?

CVE-2014-2155 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-2155?

CVE-2014-2155 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2014-2155

MEDIUM · CVSS 5.0EPSS 1.7%EU EUVD

The DHCPv6 server module in Cisco CNS Network Registrar 7.1 allows remote attackers to cause a denial of service (daemon reload) via a malformed DHCPv6 packet, aka Bug ID CSCuo07437.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-20
EPSS score: 1.7% (78th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-2195)
Published: April 19, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-2195 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

cisco / cns network registrar

References

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-2155(Vendor Advisory)
http://tools.cisco.com/security/center/viewAlert.x?alertId=33850(Vendor Advisory)

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

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