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CVE-2000-1221
The line printer daemon (lpd) in the lpr package in multiple Linux operating systems authenticates by comparing the reverse-resolved…
High10.0EPSS 16.7%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 16.7% · top 3.0% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (7)
- 20000109 lpr -- access control problem and root exploit (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- A010800-v (opens in a new tab)vendor-advisoryx_refsource_ATSTAKEx_transferred
- 927 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2000:002 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- VU#30308 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- 20000108 Quadruple Inverted Backflip (opens in a new tab)vendor-advisoryx_refsource_L0PHTx_transferred
- redhat-lpd-auth(3840) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2000-1221)Record last updated .