7.5

CVE-2008-4577: canonical ubuntu_linux Incorrect Authorization

CVSS: 7.5v3.1HighModified
AliasesDEBIAN-CVE-2008-4577
Published 15-10-2008Last modified 07-08-2024
Open JSON

Vulnerability summary

CVE-2008-4577 is a high (CVSS 7.5) Incorrect Authorization vulnerability in canonical ubuntu_linux. EPSS estimates a 2.33% chance of exploitation in the next 30 days, higher than 83.3% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.33%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
RHSA-2009:0205

Timeline

  1. 15-10-2008
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

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 metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.33%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

0.00 pp

From 2.33% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.33%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Canonical1 product
Debian1 product
  • dovecot< 1:1.0.15-2.2
Dovecot1 product
Fedoraproject1 product
Opensuse1 product

5 vendors · 5 products

References

18 links
Show all 18 references