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Fencer Intel
high 7.5

CVE-2009-4762 json

MoinMoin Improper Access Control vulnerability

published 16y ago modified 4mo ago also GHSA-jj23-fj2v-m872 , PYSEC-2010-13 , EUVD-2010-0003

cvss
7.5
version 3.1, GitHub
cisa kev
Not listed
not in CISA's catalog
epss
3.1%
EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

MoinMoin 1.7.x before 1.7.3 and 1.8.x before 1.8.3 checks parent ACLs in certain inappropriate circumstances during processing of hierarchical ACLs, which allows remote attackers to bypass intended access restrictions by requesting an item, a different vulnerability than CVE-2008-6603.

Patch / fix

  • pypi moin 1.7.3, 1.8.3

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Exploit prediction

3.06% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
pypi moin
>=1.7.0, <1.7.3
>=1.8.0, <1.8.3
>=1.7, <1.7.3
>=1.8, <1.8.3
1.7.3
1.8.3

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls
  • CWE-284 Improper Access Control

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.