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CVE-2002-1768

5.0 · MEDIUM

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 Proto…

Published Dec 31, 2002ciscoEPSS 1.59%

Overview

CVE-2002-1768 is a medium-severity vulnerability affecting cisco ios. It was published on December 31, 2002 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from cisco. Update ios to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refarchives.neohapsis.com/archives/bugtraq/2002-06/0027.htmlRefarchives.neohapsis.com/archives/bugtraq/2002-06/0050.htmlRefwww.securityfocus.com/bid/4948Refexchange.xforce.ibmcloud.com/vulnerabilities/9282Refarchives.neohapsis.com/archives/bugtraq/2002-06/0027.htmlRefarchives.neohapsis.com/archives/bugtraq/2002-06/0050.htmlRefwww.securityfocus.com/bid/4948Refexchange.xforce.ibmcloud.com/vulnerabilities/9282

How CyberStrike helps

Frequently asked questions

What is CVE-2002-1768?

CVE-2002-1768 is a medium-severity vulnerability affecting cisco ios. It was published on December 31, 2002 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2002-1768?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2002-1768?

Check the references section for vendor advisories and patches from cisco. Update ios to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2002-1768?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2002-1768 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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