CVE-2000-0543

Medium CVSS 5

Published 2000-06-14 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-2000-0543, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

The command port for PGP Certificate Server 2.5.0 and 2.5.1 allows remote attackers to cause a denial of service if their hostname does not have a reverse DNS entry and they connect to port 4000.

Sources

NVD record for CVE-2000-0543

CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P