CVE-2012-4620

Severity

78%

Complexity

99%

Confidentiality

115%

Cisco IOS 12.2 and 15.0 through 15.2 on Cisco 10000 series routers, when a tunnel interface exists, allows remote attackers to cause a denial of service (interface queue wedge) via tunneled (1) GRE/IP, (2) IPIP, or (3) IPv6 in IPv4 packets, aka Bug ID CSCts66808.

Cisco IOS 12.2 and 15.0 through 15.2 on Cisco 10000 series routers, when a tunnel interface exists, allows remote attackers to cause a denial of service (interface queue wedge) via tunneled (1) GRE/IP, (2) IPIP, or (3) IPv6 in IPv4 packets, aka Bug ID CSCts66808.

CVSS 2.0 Base Score 7.8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C).

Overview

Type

Cisco IOS

First reported 12 years ago

2012-09-27 00:55:00

Last updated 7 years ago

2017-08-29 01:32:00

Affected Software

Cisco IOS 12.2

12.2

Cisco IOS 15.0

15.0

Cisco IOS 15.0 (1)SE

15.0\(1\)se

Cisco IOS 15.1

15.1

Cisco IOS 15.2

15.2

References

20120926 Cisco IOS Software Tunneled Traffic Queue Wedge Vulnerability

Vendor Advisory

55696

1027578

ciscoios-tunneled-dos(78883)

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