CVE-2004-2154

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2022-04-29. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 9.8Exploit: None knownExposed: 0

A fix is available — apply it.

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.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation2% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
2%
EPSS %ILE
81%
KEV
Not listed

Published

December 31, 2004

Last Modified

June 16, 2026

Advisory Details (3)

Auto-updated Sep 16, 2026
Patch available. Sources: redhat.
generic

Support

http://www.redhat.com/support/errata/RHSA-2005-571.html
redhat Patch Available

163274 – cups location case sensitivity - CAN-2004-2154

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=163274
redhat Patch Available

162405 – CAN-2004-2154 <Location ...> directive is case-sensitive in cupsd.conf but should not

Affected: Red Hat Enterprise Linux 3 product line. The current stable release is 3.9. For Red Hat Enterprise Linux 6 and above, please

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=162405

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntucupsys () @ warty2026-05-20ubuntu
redhatcups-1:1.1.17-13.3.292005-07-14redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
cups—1.1.20final+rc1-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
cups—1.1.20final+rc1-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
cups—1.1.20final+rc1-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
cups—1.1.20final+rc1-1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(2)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 5× in last 7d / 8× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 113 total refreshes for this CVE.

  1. 2026-09-18 19:20 UTCEPSS rescore
  2. 2026-09-17 19:20 UTCEPSS rescore
  3. 2026-09-17 19:20 UTCEPSS rescore
  4. 2026-09-14 10:50 UTCOSV refresh
  5. 2026-09-12 14:54 UTCEPSS rescore
  6. 2026-09-10 09:23 UTCEPSS rescore
  7. 2026-09-04 04:59 UTCEPSS rescore
  8. 2026-08-26 12:13 UTCOSV refresh
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  10. 2026-08-08 16:30 UTCEPSS rescore
  11. 2026-08-05 19:11 UTCEPSS rescore
  12. 2026-07-25 14:11 UTCEPSS rescore
  13. 2026-07-25 01:41 UTCOSV refresh
  14. 2026-07-24 14:11 UTCEPSS rescore
  15. 2026-07-23 00:46 UTCEG score recompute
  16. 2026-07-23 00:27 UTCEG score recompute
  17. 2026-07-22 23:51 UTCEG score recompute
  18. 2026-07-22 21:31 UTCEG score recompute
  19. 2026-07-18 09:59 UTCEPSS rescore
  20. 2026-07-18 09:59 UTCEPSS rescore
  21. 2026-07-15 16:53 UTCEPSS rescore
  22. 2026-07-15 01:55 UTCEPSS rescore
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  24. 2026-07-13 22:24 UTCEPSS rescore
  25. 2026-07-13 06:07 UTCEPSS rescore
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  1. 2026-07-13 06:07 UTCEPSS rescore
  2. 2026-07-11 08:22 UTCEPSS rescore
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  4. 2026-07-08 15:09 UTCEPSS rescore
  5. 2026-07-07 20:42 UTCOSV refresh
  6. 2026-07-06 02:19 UTCEPSS rescore
  7. 2026-07-06 02:19 UTCEPSS rescore
  8. 2026-07-02 14:00 UTCEPSS rescore
  9. 2026-07-01 15:01 UTCEPSS rescore
  10. 2026-06-29 14:02 UTCEPSS rescore
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  19. 2026-06-21 01:56 UTCEPSS rescore
  20. 2026-06-19 19:22 UTCEPSS rescore
  21. 2026-06-19 08:25 UTCOSV refresh
  22. 2026-06-18 17:49 UTCEPSS rescore
  23. 2026-06-18 17:49 UTCEPSS rescore
  24. 2026-06-17 17:49 UTCEPSS rescore
  25. 2026-06-17 17:49 UTCEPSS rescore
  26. 2026-06-16 17:49 UTCEPSS rescore
  27. 2026-06-16 17:49 UTCEPSS rescore
  28. 2026-06-15 17:44 UTCEPSS rescore
  29. 2026-06-14 23:13 UTCEPSS rescore
  30. 2026-06-14 23:13 UTCEPSS rescore
  31. 2026-06-13 22:56 UTCEPSS rescore
  32. 2026-06-12 23:08 UTCEPSS rescore
  33. 2026-06-11 13:55 UTCEPSS rescore
  34. 2026-06-10 22:14 UTCEPSS rescore
  35. 2026-06-10 13:17 UTCEPSS rescore
  36. 2026-06-08 14:13 UTCEPSS rescore
  37. 2026-06-07 15:21 UTCEPSS rescore
  38. 2026-06-06 13:44 UTCEPSS rescore
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  40. 2026-06-05 22:43 UTCEPSS rescore
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  42. 2026-06-05 06:07 UTCEPSS rescore
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  44. 2026-06-04 13:09 UTCEPSS rescore
  45. 2026-06-04 13:09 UTCEPSS rescore
  46. 2026-06-02 20:10 UTCEPSS rescore
  47. 2026-06-02 20:10 UTCEPSS rescore
  48. 2026-06-01 13:49 UTCEPSS rescore
  49. 2026-06-01 13:49 UTCEPSS rescore
  50. 2026-05-31 22:28 UTCEPSS rescore
  51. 2026-05-31 00:13 UTCEPSS rescore
  52. 2026-05-31 00:13 UTCEPSS rescore
  53. 2026-05-30 18:23 UTCOSV refresh
  54. 2026-05-29 13:40 UTCEPSS rescore
  55. 2026-05-29 13:40 UTCEPSS rescore
  56. 2026-05-28 13:42 UTCEPSS rescore
  57. 2026-05-28 13:42 UTCEPSS rescore
  58. 2026-05-28 13:42 UTCEPSS rescore
  59. 2026-05-27 13:37 UTCEPSS rescore
  60. 2026-05-26 13:41 UTCEPSS rescore
  61. 2026-05-26 13:41 UTCEPSS rescore
  62. 2026-05-26 07:16 UTCEPSS rescore
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  64. 2026-05-24 16:42 UTCEPSS rescore
  65. 2026-05-22 21:15 UTCEPSS rescore
  66. 2026-05-21 22:38 UTCEPSS rescore
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  69. 2026-05-20 11:20 UTCEPSS rescore
  70. 2026-05-20 11:20 UTCEPSS rescore
  71. 2026-05-20 07:38 UTCVendor advisory
  72. 2026-05-20 07:38 UTCGHSA enrichment
  73. 2026-05-20 03:34 UTCVendor advisory
  74. 2026-05-20 03:34 UTCGHSA enrichment
  75. 2026-05-19 23:12 UTCVendor advisory

Frequently asked(5)

What is CVE-2004-2154?
CVE-2004-2154 is a critical vulnerability published on December 31, 2004. 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.
When was CVE-2004-2154 disclosed?
CVE-2004-2154 was first published in the National Vulnerability Database on December 31, 2004, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2004-2154 actively exploited?
CVE-2004-2154 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 19.4% of all scored CVEs.
What is the CVSS score of CVE-2004-2154?
CVE-2004-2154 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2004-2154?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2004-2154, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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