CVE-2013-6693

Severity: medium (CVSS 5.4 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-11-22 · updated 2026-06-17
Weakness: CWE-119

Description

The 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.

Affected products

Cisco 7600 Router: all versions
Cisco IOS: through 15.3\(3\)s; 15.3(2)s, 15.3s

References

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6693
http://tools.cisco.com/security/center/viewAlert.x?alertId=31861
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6693
http://tools.cisco.com/security/center/viewAlert.x?alertId=31861

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