CVE-2012-1366

Name: CVE-2012-1366
Creator: NVD / NIST
Published: 2014-04-23T11:52:59.01+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.72%

Last modified Jun 16, 2026

CVE-2012-1366 is a vulnerability of currently unknown severity. Cisco IOS before 15.1(1)SY on ASR 1000 devices, when Multicast Listener Discovery (MLD) tracking is enabled for IPv6, allows remote attackers to cause a denial of service (device reload) via crafted MLD packets, aka Bug ID CSCtz28544.. EPSS estimates a 0.72% chance of exploitation in the next 30 days.

Description

Cisco IOS before 15.1(1)SY on ASR 1000 devices, when Multicast Listener Discovery (MLD) tracking is enabled for IPv6, allows remote attackers to cause a denial of service (device reload) via crafted MLD packets, aka Bug ID CSCtz28544.

Metrics

EPSS Probability

0.72%

49.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Cisco	Ios	15.1
Cisco	Asr 1001	All versions
Cisco	Asr 1002	All versions
Cisco	Asr 1002-X	All versions
Cisco	Asr 1002 Fixed Router	All versions
Cisco	Asr 1004	All versions
Cisco	Asr 1006	All versions
Cisco	Asr 1013	All versions
Cisco	Asr 1023 Router	All versions
Cisco	Asr 9000 Rsp440 Router	All versions

References

Timeline

Published: Apr 23, 2014
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-1366?

How severe is CVE-2012-1366?

Severity scoring for CVE-2012-1366 is pending analysis. The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.

How do I fix CVE-2012-1366?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-1366?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST