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CVE-2011-0944

Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (device...

7.8 High

Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (device reload) via malformed IPv6 packets, aka Bug ID CSCtj41194.

Exploit likelihood

1.79%Up 0.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.8

Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (device reload) via malformed IPv6 packets, aka Bug ID CSCtj41194.

Record
CVE-2011-0944
CVSS 2.0
7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness
CWE-399
Updated
2026-11-02
CVE List No score

Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (device reload) via malformed IPv6 packets, aka Bug ID CSCtj41194.

Record
CVE-2011-0944
Updated
2026-11-02
EUVDEUVD-2011-0956 No score

Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (device reload) via malformed IPv6 packets, aka Bug ID CSCtj41194.

Record
EUVD-2011-0956
Updated
2026-11-03
GitHub AdvisoriesGHSA-42wr-4c7w-39f8 No score

Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (device...

Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (device reload) via malformed IPv6 packets, aka Bug ID CSCtj41194.

Record
GHSA-42wr-4c7w-39f8
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-0944 is a high vulnerability (CVSS 7.8) in Cisco Ios, published October 3, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.79%, the 78th percentile. No source names a fixed version.

References

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