CVE-2002-1768

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

31/12/2002

Last modified:

03/04/2025

Description

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.

Impact

Vector 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:cisco:ios:11.1:::::::*
cpe:2.3:o:cisco:ios:11.2:::::::*
cpe:2.3:o:cisco:ios:12.0:::::::*
cpe:2.3:o:cisco:ios:12.1:::::::*
cpe:2.3:o:cisco:ios:12.2:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:o:cisco:ios:11.1:::::::*
cpe:2.3:o:cisco:ios:11.2:::::::*
cpe:2.3:o:cisco:ios:12.0:::::::*
cpe:2.3:o:cisco:ios:12.1:::::::*
cpe:2.3:o:cisco:ios:12.2:::::::*

CVE-2002-1768

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools