CVE-2013-6693

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Summary

CVECVE-2013-6693
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2013-11-22 01:55:04 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe MLDP implementation in Cisco IOS 15.3(3)S and earlier on 7600 routers, when many VRFs are configured, allows remote attackers to cause a denial of service (chunk corruption and device reload) by establishing many multicast flows, aka Bug ID CSCue22345.

Risk And Classification

Primary CVSS: v2.0 5.4 from [email protected]

AV:N/AC:H/Au:N/C:N/I:N/A:C

EPSS: 0.003710000 probability, percentile 0.589390000 (date 2026-04-29)

Problem Types: CWE-119 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
High
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:N/AC:H/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Cisco 7600 Router All All All All
Operating System Cisco Ios 15.3s All All All
Operating System Cisco Ios 15.3\(2\)s All All All
Operating System Cisco Ios All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Alert Details - Security Center - Cisco Systems af854a3a-2127-422b-91ae-364da2661108 tools.cisco.com Vendor Advisory
Cisco Security Notice: Cisco IOS Software MLDP Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 tools.cisco.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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