CVE-2000-0517

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2000-05-26 · updated 2026-06-16

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.

Affected products

Netscape Communicator: 4.0, 4.5, 4.6, 4.7, 4.51, 4.61 (+2)

References

http://www.cert.org/advisories/CA-2000-08.html
http://www.securityfocus.com/bid/1260
https://exchange.xforce.ibmcloud.com/vulnerabilities/4550
http://www.cert.org/advisories/CA-2000-08.html
http://www.securityfocus.com/bid/1260
https://exchange.xforce.ibmcloud.com/vulnerabilities/4550

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