CVE-2004-2154

Name: CVE-2004-2154
Creator: NVD / NIST
Published: 2004-12-31T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.07%

Last modified Jun 16, 2026

CVE-2004-2154 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. CUPS before 1.1.21rc1 treats a Location directive in cupsd.conf as case sensitive, which allows attackers to bypass intended ACLs via a printer name containing uppercase or lowercase letters that are different from what is specified in the directive.. EPSS estimates a 2.07% chance of exploitation in the next 30 days.

Description

CUPS before 1.1.21rc1 treats a Location directive in cupsd.conf as case sensitive, which allows attackers to bypass intended ACLs via a printer name containing uppercase or lowercase letters that are different from what is specified in the directive.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.07%

79.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apple	Cups	< 1.1.21
Apple	Cups	1.1.21
Canonical	Ubuntu Linux	4.10

References

http://www.cups.org/str.php?L700Broken Link, Patch
http://www.novell.com/linux/security/advisories/2005_18_sr.htmlBroken Link
http://www.redhat.com/support/errata/RHSA-2005-571.htmlBroken Link
http://www.ubuntu.com/usn/usn-185-1Third Party Advisory
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=162405Issue Tracking, Vendor Advisory
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=163274Issue Tracking
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9940Broken Link
http://www.cups.org/str.php?L700Broken Link, Patch
http://www.novell.com/linux/security/advisories/2005_18_sr.htmlBroken Link
http://www.redhat.com/support/errata/RHSA-2005-571.htmlBroken Link
http://www.ubuntu.com/usn/usn-185-1Third Party Advisory
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=162405Issue Tracking, Vendor Advisory
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=163274Issue Tracking
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9940Broken Link

Timeline

Published: Dec 31, 2004
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2004-2154?

How severe is CVE-2004-2154?

CVE-2004-2154 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.07% probability of exploitation in the next 30 days.

How do I fix CVE-2004-2154?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2004-2154?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST