CVE-2000-0543
The command port for PGP Certificate Server 2.5.0 and 2.5.1 allows remote attackers to cause a...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2000-0543- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2000-0543- Updated
- 2026-11-02
EUVDEUVD-2000-0540 No score
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.
- Record
EUVD-2000-0540- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m7mj-vcp8-4rpq No score
The command port for PGP Certificate Server 2.5.0 and 2.5.1 allows remote attackers to cause a...
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.
- Record
GHSA-m7mj-vcp8-4rpq- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2000-0543 is a medium vulnerability (CVSS 5.0) in Pgp Certificate Server, published June 14, 2000. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.09%, the 65th percentile. No source names a fixed version.