CVE-2000-1221
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.
Key facts
- CVSS score
- 10.0 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C- EPSS score
- 16.7% (97th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2000-1203)
- Published
- January 8, 2000
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2000-1203 in the EU Vulnerability Database. Last updated in EUVD on August 8, 2024.
View on the EU Vulnerability DatabaseAffected products
- debian / debian linux
- redhat / linux
- redhat / linux
- redhat / linux
- redhat / linux
- redhat / linux
- redhat / linux
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
- sgi / irix
Certified products that may be affected
1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.
- Red Hat Enterprise Linux libgcrypt Cryptographic Module v4.0 [1] and Red Hat Enterprise Linux libgcrypt Cryptographic Module v5.0 [2] - Red Hat®, Inc. - FIPS 140 2657 - historical
References
- ftp://patches.sgi.com/support/free/security/advisories/20021104-01-P(Patch)
- http://rhn.redhat.com/errata/RHSA-2000-002.html
- http://www.atstake.com/research/advisories/2000/lpd_advisory.txt
- http://www.debian.org/security/2000/20000109(Patch)
- http://www.kb.cert.org/vuls/id/30308(US Government Resource)
- http://www.l0pht.com/advisories/lpd_advisory
- http://www.securityfocus.com/bid/927
- https://exchange.xforce.ibmcloud.com/vulnerabilities/3840
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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