Is CVE-2014-3270 being actively exploited?

CVE-2014-3270 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-3270?

CVE-2014-3270 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2014-3270

MEDIUM · CVSS 5.0EPSS 2.0%EU EUVD

The DHCPv6 implementation in Cisco IOS XR allows remote attackers to cause a denial of service (process hang) via a malformed packet, aka Bug ID CSCul80924.

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: 2.0% (80th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-3283)
Published: May 20, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-3283 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

cisco / ios xr

Certified products that may be affected

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

Cisco Network Convergence System 540, 5500 and 5700 (NCS540, NCS5500, NCS5700) Series running IOS-XR, version 7.4.1 - Cisco Systems, Inc. - Common Criteria NSCIB-CC-23-0597525-CR - active

References

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3270(Vendor Advisory)
http://www.securitytracker.com/id/1030259(Third Party Advisory, VDB Entry)

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

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain