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
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 7.5Exploit: None knownExposed: 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)
EG Risk
39(Track)
EG Risk 39/100SSVC: 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
Severity75% × 45%
Exploitation2% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
2%
EPSS %ILE
82%
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.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
dovecot—1:1.0.15-2.2—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
dovecot—1:1.0.15-2.2—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
dovecot—1:1.0.15-2.2—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
dovecot—1:1.0.15-2.2—

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 0× in last 7d / 9× 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 112 total refreshes for this CVE.

  1. 2026-08-15 01:24 UTCEPSS rescore
  2. 2026-08-10 04:39 UTCOSV refresh
  3. 2026-08-08 16:31 UTCEPSS rescore
  4. 2026-08-07 16:21 UTCEPSS rescore
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  11. 2026-07-25 04:41 UTCOSV refresh
  12. 2026-07-24 14:12 UTCEPSS rescore
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  14. 2026-07-23 00:57 UTCEG score recompute
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  16. 2026-07-23 00:01 UTCEG score recompute
  17. 2026-07-22 21:40 UTCEG score recompute
  18. 2026-07-20 17:03 UTCEPSS rescore
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  1. 2026-07-11 08:22 UTCEPSS rescore
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  5. 2026-07-07 23:42 UTCOSV refresh
  6. 2026-07-06 16:23 UTCEPSS rescore
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  31. 2026-06-19 19:22 UTCEPSS rescore
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  45. 2026-06-11 13:56 UTCEPSS rescore
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  50. 2026-06-06 13:44 UTCEPSS rescore
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  66. 2026-05-30 19:55 UTCEG score recompute
  67. 2026-05-30 19:55 UTCVendor advisory
  68. 2026-05-30 19:55 UTCGHSA enrichment
  69. 2026-05-29 13:40 UTCEPSS rescore
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  75. 2026-05-26 19:43 UTCOSV refresh

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 2% probability of exploitation in the next 30 days, which ranks it in the top 17.8% of all scored CVEs.
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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