CVE-2000-0517

Name: CVE-2000-0517
Creator: NVD / NIST
Published: 2000-05-26T04:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.29%

Last modified Jun 16, 2026

CVE-2000-0517 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.29% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.29%

66.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Netscape	Communicator	4.0
Netscape	Communicator	4.5
Netscape	Communicator	4.6
Netscape	Communicator	4.7
Netscape	Communicator	4.51
Netscape	Communicator	4.61
Netscape	Communicator	4.72
Netscape	Communicator	4.73

References

http://www.cert.org/advisories/CA-2000-08.htmlPatch, Third Party Advisory, US Government Resource
http://www.securityfocus.com/bid/1260Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/4550
http://www.cert.org/advisories/CA-2000-08.htmlPatch, Third Party Advisory, US Government Resource
http://www.securityfocus.com/bid/1260Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/4550

Timeline

Published: May 26, 2000
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2000-0517?

How severe is CVE-2000-0517?

Severity scoring for CVE-2000-0517 is pending analysis. The EPSS model estimates a 1.29% probability of exploitation in the next 30 days.

How do I fix CVE-2000-0517?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2000-0517?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST