What’s Vulnerable › Vulnerabilities

CVE-2000-0543

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2000-06-14 · updated 2026-06-16

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.

Affected products

• Pgp Certificate Server: 2.5, 2.5.1

References

• http://archives.neohapsis.com/archives/bugtraq/2000-06/0107.html
• http://www.securityfocus.com/bid/1343
• https://exchange.xforce.ibmcloud.com/vulnerabilities/4695
• http://archives.neohapsis.com/archives/bugtraq/2000-06/0107.html
• http://www.securityfocus.com/bid/1343
• https://exchange.xforce.ibmcloud.com/vulnerabilities/4695

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