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CVE-2013-5472

The NTP implementation in Cisco IOS 12.0 through 12.4 and 15.0 through 15.1, and IOS XE 2.1...

7.1 High

CVE-2013-5472 is a high vulnerability (CVSS 7.1) in Cisco Ios, published September 27, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.75%, the 78th percentile. No source names a fixed version.

What does this mean?
Severity
7.1 HighCVSS 2.0, NVD
Exploit chance
1.75%EPSS, 78th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

The NTP implementation in Cisco IOS 12.0 through 12.4 and 15.0 through 15.1, and IOS XE 2.1 through 3.3, does not properly handle encapsulation of multicast NTP packets within MSDP SA messages, which allows remote attackers to cause a denial of service (device reload) by leveraging an MSDP peer relationship, aka Bug ID CSCuc81226.

Exploit likelihood

1.75%Up 0.7 points since Feb 4, 2022
90%50%10%1%

Affected products

What each source reports

NVD Score used7.1

The NTP implementation in Cisco IOS 12.0 through 12.4 and 15.0 through 15.1, and IOS XE 2.1 through 3.3, does not properly handle encapsulation of multicast NTP packets within MSDP SA messages, which allows remote attackers to cause a denial of service (device reload) by leveraging an MSDP peer relationship, aka Bug ID CSCuc81226.

Record
CVE-2013-5472
CVSS 2.0
7.1 HighAV:N/AC:M/Au:N/C:N/I:N/A:C
Weakness
CWE-20
Updated
2026-11-02
CVE ListNo score

The NTP implementation in Cisco IOS 12.0 through 12.4 and 15.0 through 15.1, and IOS XE 2.1 through 3.3, does not properly handle encapsulation of multicast NTP packets within MSDP SA messages, which allows remote attackers to cause a denial of service (device reload) by leveraging an MSDP peer relationship, aka Bug ID CSCuc81226.

Record
CVE-2013-5472
Updated
2026-11-02
EUVDEUVD-2013-5312No score

The NTP implementation in Cisco IOS 12.0 through 12.4 and 15.0 through 15.1, and IOS XE 2.1 through 3.3, does not properly handle encapsulation of multicast NTP packets within MSDP SA messages, which allows remote attackers to cause a denial of service (device reload) by leveraging an MSDP peer relationship, aka Bug ID CSCuc81226.

Record
EUVD-2013-5312
Updated
2026-11-03
GitHub AdvisoriesGHSA-v6fm-cxxx-62h6No score

The NTP implementation in Cisco IOS 12.0 through 12.4 and 15.0 through 15.1, and IOS XE 2.1...

The NTP implementation in Cisco IOS 12.0 through 12.4 and 15.0 through 15.1, and IOS XE 2.1 through 3.3, does not properly handle encapsulation of multicast NTP packets within MSDP SA messages, which allows remote attackers to cause a denial of service (device reload) by leveraging an MSDP peer relationship, aka Bug ID CSCuc81226.

Record
GHSA-v6fm-cxxx-62h6
Weakness
CWE-20
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

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

References

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