Is CVE-2014-3327 being actively exploited?

CVE-2014-3327 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-3327?

CVE-2014-3327 has a CVSS 2.0 base score of 7.8 (HIGH).

CVE-2014-3327

HIGH · CVSS 7.8EPSS 3.3%EU EUVD

The EnergyWise module in Cisco IOS 12.2, 15.0, 15.1, 15.2, and 15.4 and IOS XE 3.2.xXO, 3.3.xSG, 3.4.xSG, and 3.5.xE before 3.5.3E allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 packet, aka Bug ID CSCup52101.

Key facts

CVSS score: 7.8 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-20
EPSS score: 3.3% (88th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-3340)
Published: August 11, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-3340 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
cisco / ios
cisco / ios
cisco / ios
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

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

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

References

http://secunia.com/advisories/60650
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140806-energywise(Vendor Advisory)
http://www.securityfocus.com/bid/69066(VDB Entry)
http://www.securitytracker.com/id/1030682(Third Party Advisory, VDB Entry)
https://exchange.xforce.ibmcloud.com/vulnerabilities/95137

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

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