Vulnerability Monitor

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CVE-2013-6693

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.

Published

2013-11-22T01:55:04.073

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.4 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: HIGH
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

4.9

Impact Score

6.9

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	cisco	ios	≤ 15.3\(3\)s	Yes
Operating System	cisco	ios	15.3\(2\)s	Yes
Operating System	cisco	ios	15.3s	Yes
Hardware	cisco	7600_router	*	Yes

References

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6693 Vendor Advisory ([email protected])
http://tools.cisco.com/security/center/viewAlert.x?alertId=31861 Vendor Advisory ([email protected])
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6693 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://tools.cisco.com/security/center/viewAlert.x?alertId=31861 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)