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CVE-2004-2154

30
FAUCET Score

CVE-2004-2154 is a critical vulnerability affecting CUPS versions prior to 1.1.21rc1, including Apple and Canonical Ubuntu Linux distributions. It allows attackers to bypass access control lists (ACLs) by exploiting case sensitivity in the cupsd.conf Location directive. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with no authentication, leading to complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code, the vulnerability has garnered significant community discussion, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.1.21CPE matchmatch criteria
cpe:2.3:a:apple:cups:*:*:*:*:*:*:*:*
1.1.21CPE matchmatch criteria
cpe:2.3:a:apple:cups:1.1.21:-:*:*:*:*:*:*
4.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:4.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.07%
Probability of exploitation in next 30 days
EPSS Percentile
79.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0207 is in the 68th percentile among its peer group of 36,821 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: cups-1:1.1.17-13.3.29
View patch
redhatvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2004-2154Moderate

security flaw

May 5, 2004

References

bugzilla.redhat.com / bugzilla/show_bug.cgi
Issue TrackingVendor Advisory
bugzilla.redhat.com / bugzilla/show_bug.cgi
Issue Tracking
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9940
Broken Link
cups.org / str.php
Broken LinkPatch
novell.com / linux/security/advisories/2005_18_sr.html
Broken Link
redhat.com / support/errata/RHSA-2005-571.html
Broken Link
ubuntu.com / usn/usn-185-1
Third Party Advisory