CVE-2000-1221

CriticalCVSS 10.0/10Last modified Jun 16, 2026

Description

The line printer daemon (lpd) in the lpr package in multiple Linux operating systems authenticates by comparing the reverse-resolved hostname of the local machine to the hostname of the print server as returned by gethostname, which allows remote attackers to bypass intended access controls by modifying the DNS for the attacking IP.

Metrics

CVSS 2.0 10.0/10AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected software

No affected versions have been published.

Timeline

Published
Jan 8, 2000
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2000-1221: Critical severity, CVSS 10.0 | Vulnix