CVE-2002-1768

Severity

50%

Complexity

99%

Confidentiality

48%

Cisco IOS 11.1 through 12.2, when HSRP support is not enabled, allows remote attackers to cause a denial of service (CPU consumption) via randomly sized UDP packets to the Hot Standby Routing Protocol (HSRP) port 1985.

Cisco IOS 11.1 through 12.2, when HSRP support is not enabled, allows remote attackers to cause a denial of service (CPU consumption) via randomly sized UDP packets to the Hot Standby Routing Protocol (HSRP) port 1985.

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P).

Overview

Type

Cisco IOS

First reported 22 years ago

2002-12-31 05:00:00

Last updated 7 years ago

2017-07-11 01:29:00

Affected Software

Cisco IOS 11.1

11.1

Cisco IOS 11.2

11.2

Cisco IOS 12.0

12.0

Cisco IOS 12.1

12.1

Cisco IOS 12.2

12.2

References

20020605 Three possible DoS attacks against some IOS versions.

20020606 Re: Three possible DoS attacks against some IOS versions.

4948

cisco-ios-hsrp-dos(9282)

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