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CVE-2008-4577

HIGH · CVSS 7.5EPSS 2.3%EU EUVD

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.

Key facts

CVSS score
7.5 (v3.1)
Severity
HIGH
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE)
CWE-863
EPSS score
2.3% (84th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2008-4557)
Published
October 15, 2008
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2008-4557 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • canonical / ubuntu linux
  • canonical / ubuntu linux
  • canonical / ubuntu linux
  • dovecot / dovecot
  • fedoraproject / fedora
  • fedoraproject / fedora
  • opensuse / opensuse

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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