CVE-2000-0543

MEDIUM 5.0CVE-2000-0543 · Published 14/06/2000 · updated 16/06/2026

In short

CVE-2000-0543 is a MEDIUM (CVSS 5.0) vulnerability affecting certificate server (pgp).
Chance of exploitation in the next 30 days (EPSS): 1.1%, higher than 65.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
certificate server pgp	`= 2.5= 2.5.1`	No fix yet

Description

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.

References

archives.neohapsis.com/archives/bugtraq/2000-06/0107.html · Exploit
securityfocus.com/bid/1343 · Patch
exchange.xforce.ibmcloud.com/vulnerabilities/4695

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