CVE-2008-4577

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory published 2022-05-02. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 7.5Exploit: NoneExposed: 0

A fix is available — apply it.

The ACL plugin in Dovecot before 1.1.4 treats negative access rights as if they are positive access rights, which allows attackers to bypass intended access restrictions.

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
81.5%
KEV
Not listed

Published

October 15, 2008

Last Modified

April 23, 2026

Advisory Details (8)

Auto-updated May 30, 2026
No patch confirmed yet.
generic

[Dovecot-news] v1.1.4 released

http://www.dovecot.org/list/dovecot-news/2008-October/000085.html
generic

Dovecot: Multiple vulnerabilities (GLSA 200812-16) — Gentoo security

http://security.gentoo.org/glsa/glsa-200812-16.xml
generic

About Secunia Research | Flexera

http://secunia.com/advisories/36904
generic

About Secunia Research | Flexera

http://secunia.com/advisories/33624
generic

About Secunia Research | Flexera

http://secunia.com/advisories/33149
generic

About Secunia Research | Flexera

http://secunia.com/advisories/32471
generic

About Secunia Research | Flexera

http://secunia.com/advisories/32164
generic

240409 – (CVE-2008-4577) net-mail/dovecot < 1.1.4 acl_plugin privilege escalation (CVE-2008-4577,CVE-2008-4578)

http://bugs.gentoo.org/show_bug.cgi?id=240409

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntudovecot-common (1:1.1.11-0ubuntu4.1) @ jaunty2026-05-30ubuntu
redhatdovecot-0:1.0.7-7.el52009-01-20redhat

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.

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 10× in last 7d / 44× 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.

  1. 2026-07-11 08:22 UTCEPSS rescore
  2. 2026-07-11 08:22 UTCEPSS rescore
  3. 2026-07-09 19:04 UTCEPSS rescore
  4. 2026-07-08 15:09 UTCEPSS rescore
  5. 2026-07-07 23:42 UTCOSV refresh
  6. 2026-07-06 16:23 UTCEPSS rescore
  7. 2026-07-06 02:19 UTCEPSS rescore
  8. 2026-07-06 02:19 UTCEPSS rescore
  9. 2026-07-05 02:26 UTCEPSS rescore
  10. 2026-07-05 02:26 UTCEPSS rescore
  11. 2026-07-04 06:27 UTCEPSS rescore
  12. 2026-07-02 14:00 UTCEPSS rescore
  13. 2026-07-01 15:02 UTCEPSS rescore
  14. 2026-07-01 15:02 UTCEPSS rescore
  15. 2026-06-30 23:19 UTCEPSS rescore
  16. 2026-06-29 14:02 UTCEPSS rescore
  17. 2026-06-29 14:02 UTCEPSS rescore
  18. 2026-06-28 14:03 UTCEPSS rescore
  19. 2026-06-28 04:52 UTCEPSS rescore
  20. 2026-06-27 03:04 UTCEPSS rescore
  21. 2026-06-25 13:46 UTCEPSS rescore
  22. 2026-06-25 13:46 UTCEPSS rescore
  23. 2026-06-24 14:02 UTCEPSS rescore
  24. 2026-06-24 14:02 UTCEPSS rescore
  25. 2026-06-23 21:29 UTCEPSS rescore
Show 62 more
  1. 2026-06-23 21:29 UTCEPSS rescore
  2. 2026-06-21 14:53 UTCEPSS rescore
  3. 2026-06-21 14:53 UTCEPSS rescore
  4. 2026-06-21 01:56 UTCEPSS rescore
  5. 2026-06-21 01:56 UTCEPSS rescore
  6. 2026-06-19 19:22 UTCEPSS rescore
  7. 2026-06-19 19:22 UTCEPSS rescore
  8. 2026-06-19 11:25 UTCOSV refresh
  9. 2026-06-18 17:49 UTCEPSS rescore
  10. 2026-06-18 17:49 UTCEPSS rescore
  11. 2026-06-17 17:49 UTCEPSS rescore
  12. 2026-06-17 17:49 UTCEPSS rescore
  13. 2026-06-16 17:49 UTCEPSS rescore
  14. 2026-06-16 17:49 UTCEPSS rescore
  15. 2026-06-15 17:44 UTCEPSS rescore
  16. 2026-06-14 23:13 UTCEPSS rescore
  17. 2026-06-13 22:57 UTCEPSS rescore
  18. 2026-06-12 23:08 UTCEPSS rescore
  19. 2026-06-12 23:08 UTCEPSS rescore
  20. 2026-06-11 13:56 UTCEPSS rescore
  21. 2026-06-10 22:14 UTCEPSS rescore
  22. 2026-06-10 13:17 UTCEPSS rescore
  23. 2026-06-08 14:13 UTCEPSS rescore
  24. 2026-06-07 15:22 UTCEPSS rescore
  25. 2026-06-06 13:44 UTCEPSS rescore
  26. 2026-06-06 13:44 UTCEPSS rescore
  27. 2026-06-05 22:44 UTCEPSS rescore
  28. 2026-06-05 22:44 UTCEPSS rescore
  29. 2026-06-05 06:07 UTCEPSS rescore
  30. 2026-06-04 13:09 UTCEPSS rescore
  31. 2026-06-04 13:09 UTCEPSS rescore
  32. 2026-06-02 20:10 UTCEPSS rescore
  33. 2026-06-02 20:10 UTCEPSS rescore
  34. 2026-06-01 13:49 UTCEPSS rescore
  35. 2026-06-01 13:49 UTCEPSS rescore
  36. 2026-06-01 13:49 UTCEPSS rescore
  37. 2026-05-31 22:28 UTCEPSS rescore
  38. 2026-05-31 22:28 UTCEPSS rescore
  39. 2026-05-31 00:13 UTCEPSS rescore
  40. 2026-05-31 00:13 UTCEPSS rescore
  41. 2026-05-30 19:55 UTCEG score recompute
  42. 2026-05-30 19:55 UTCVendor advisory
  43. 2026-05-30 19:55 UTCGHSA enrichment
  44. 2026-05-29 13:40 UTCEPSS rescore
  45. 2026-05-28 13:42 UTCEPSS rescore
  46. 2026-05-28 13:42 UTCEPSS rescore
  47. 2026-05-28 13:42 UTCEPSS rescore
  48. 2026-05-27 13:38 UTCEPSS rescore
  49. 2026-05-27 13:37 UTCEPSS rescore
  50. 2026-05-26 19:43 UTCOSV refresh
  51. 2026-05-26 13:41 UTCEPSS rescore
  52. 2026-05-26 13:41 UTCEPSS rescore
  53. 2026-05-26 07:16 UTCEPSS rescore
  54. 2026-05-26 07:16 UTCEPSS rescore
  55. 2026-05-24 16:43 UTCEPSS rescore
  56. 2026-05-22 21:15 UTCEPSS rescore
  57. 2026-05-22 21:15 UTCEPSS rescore
  58. 2026-05-20 22:37 UTCEPSS rescore
  59. 2026-05-20 22:36 UTCEPSS rescore
  60. 2026-05-20 11:20 UTCEPSS rescore
  61. 2026-05-20 11:20 UTCEPSS rescore
  62. 2026-05-18 21:29 UTCEPSS rescore

Frequently asked(5)

What is CVE-2008-4577?
CVE-2008-4577 is a high vulnerability published on October 15, 2008. The ACL plugin in Dovecot before 1.1.4 treats negative access rights as if they are positive access rights, which allows attackers to bypass intended access restrictions.
When was CVE-2008-4577 disclosed?
CVE-2008-4577 was first published in the National Vulnerability Database on October 15, 2008, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2008-4577 actively exploited?
CVE-2008-4577 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 81.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2008-4577?
CVE-2008-4577 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2008-4577?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2008-4577, 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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