Is CVE-2012-0381 being actively exploited?

CVE-2012-0381 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-0381?

CVE-2012-0381 has a CVSS 3.1 base score of 7.5 (HIGH).

CVE-2012-0381

HIGH · CVSS 7.5EPSS 3.8%EU EUVD

The IKEv1 implementation in Cisco IOS 12.2 through 12.4 and 15.0 through 15.2 and IOS XE 2.1.x through 2.6.x and 3.1.xS through 3.4.xS before 3.4.2S, 3.5.xS before 3.5.1S, and 3.2.xSG before 3.2.2SG allows remote attackers to cause a denial of service (device reload) by sending IKE UDP packets over (1) IPv4 or (2) IPv6, aka Bug ID CSCts38429.

Key facts

CVSS score: 7.5 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-310
EPSS score: 3.8% (90th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-0417)
Published: March 29, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-0417 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

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and 706 more…

Certified products that may be affected

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

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/80700(Broken Link)
http://secunia.com/advisories/48605(Not Applicable)
http://secunia.com/advisories/48607(Not Applicable)
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120328-ike(Vendor Advisory)
http://www.securityfocus.com/bid/52757(Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1026863(Third Party Advisory, VDB Entry)
https://exchange.xforce.ibmcloud.com/vulnerabilities/74427(Third Party Advisory, VDB Entry)

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

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