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CVE-2002-0886

5.0 · MEDIUM

Cisco DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a denial of service (hang or memory consumption) via (1) a large packet to the DHCP port, (2) a large packet to…

Published Oct 4, 2002ciscoEPSS 5.37%

Overview

CVE-2002-0886 is a medium-severity vulnerability affecting cisco cbos. It was published on October 4, 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 DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a denial of service (hang or memory consumption) via (1) a large packet to the DHCP port, (2) a large packet to the Telnet port, or (3) a flood of large packets to the CPE, which causes the TCP/IP stack to consume large amounts of memory.

Remediation

Check the references section for vendor advisories and patches from cisco. Update cbos 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

Refwww.cisco.com/warp/public/707/CBOS-DoS.shtmlRefwww.iss.net/security_center/static/9151.phpRefwww.iss.net/security_center/static/9153.phpRefwww.securityfocus.com/bid/4813Refwww.securityfocus.com/bid/4814Refwww.securityfocus.com/bid/4815Refexchange.xforce.ibmcloud.com/vulnerabilities/9152Refwww.cisco.com/warp/public/707/CBOS-DoS.shtmlRefwww.iss.net/security_center/static/9151.phpRefwww.iss.net/security_center/static/9153.php

How CyberStrike helps

Frequently asked questions

What is CVE-2002-0886?

CVE-2002-0886 is a medium-severity vulnerability affecting cisco cbos. It was published on October 4, 2002 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2002-0886?

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-2002-0886?

Check the references section for vendor advisories and patches from cisco. Update cbos 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-2002-0886?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2002-0886 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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