CVE-2000-0517

mediumpriority · track · 20EPSS 0.013 · 70 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.29% (70th) EPSS

CVSS 5 · medium

Is it mine?

9 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-28

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v2.04.3mediumAV:N/AC:L/Au:N/C:P/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-295USLLM-inferredCWE-310USLLM-inferred

affected products (9)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
netscape communicator= 4.0nvdUScpe:2.3:a:netscape:communicator:*:*:*:*:*:*:*:*
netscape communicator= 4.5nvdUScpe:2.3:a:netscape:communicator:*:*:*:*:*:*:*:*
netscape communicator= 4.51nvdUScpe:2.3:a:netscape:communicator:*:*:*:*:*:*:*:*
netscape communicator= 4.6nvdUScpe:2.3:a:netscape:communicator:*:*:*:*:*:*:*:*
netscape communicator= 4.61nvdUScpe:2.3:a:netscape:communicator:*:*:*:*:*:*:*:*
netscape communicator= 4.7nvdUScpe:2.3:a:netscape:communicator:*:*:*:*:*:*:*:*
netscape communicator= 4.72nvdUScpe:2.3:a:netscape:communicator:*:*:*:*:*:*:*:*
netscape communicator= 4.73nvdUScpe:2.3:a:netscape:communicator:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2000-05-26modified 2026-06-16

references (6)

External citations — patches, advisories, analysis.

http://www.cert.org/advisories/CA-2000-08.html enisa_euvd
http://www.securityfocus.com/bid/1260 enisa_euvd
https://exchange.xforce.ibmcloud.com/vulnerabilities/4550 enisa_euvd
http://www.cert.org/advisories/CA-2000-08.htmlPatchThird Party AdvisoryUS Government Resourcenvd
http://www.securityfocus.com/bid/1260PatchVendor Advisorynvd
https://exchange.xforce.ibmcloud.com/vulnerabilities/4550 nvd

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan