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CVE-2000-0517

5.0 · MEDIUM

Netscape 4.73 and earlier does not properly warn users about a potentially invalid certificate if the user has previously accepted the certificate for a different web site, which could allow remote…

Published May 26, 2000netscapeEPSS 1.29%

Overview

CVE-2000-0517 is a medium-severity vulnerability affecting netscape communicator. It was published on May 26, 2000 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

Netscape 4.73 and earlier does not properly warn users about a potentially invalid certificate if the user has previously accepted the certificate for a different web site, which could allow remote attackers to spoof a legitimate web site by compromising that site's DNS information.

Remediation

Check the references section for vendor advisories and patches from netscape. Update communicator 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.cert.org/advisories/CA-2000-08.htmlRefwww.securityfocus.com/bid/1260Refexchange.xforce.ibmcloud.com/vulnerabilities/4550Refwww.cert.org/advisories/CA-2000-08.htmlRefwww.securityfocus.com/bid/1260Refexchange.xforce.ibmcloud.com/vulnerabilities/4550

How CyberStrike helps

Frequently asked questions

What is CVE-2000-0517?

CVE-2000-0517 is a medium-severity vulnerability affecting netscape communicator. It was published on May 26, 2000 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2000-0517?

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-2000-0517?

Check the references section for vendor advisories and patches from netscape. Update communicator 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-2000-0517?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2000-0517 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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