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Fencer Intel
medium 5.4

CVE-2012-4404 json

MoinMoin Improper Access Control

published 2012-09-10 14 y ago modified 2026-06-16 4 mo ago also GHSA-g4mx-rm5q-vh24 , PYSEC-2012-10 , EUVD-2012-0017

cvss
5.4
version 3.1, GitHub
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

security/__init__.py in MoinMoin 1.9 through 1.9.4 does not properly handle group names that contain virtual group names such as "All," "Known," or "Trusted," which allows remote authenticated users with virtual group membership to be treated as a member of the group.

Patch / fix

  • pypi moin 1.9.5

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2012-4404 updated cvss 5.5

moin: Improper ACL rules enforcement due to a bug in the way virtual groups were handled previously during ACL evaluation

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.10% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 6.0 AV:N/AC:M/Au:S/C:P/I:P/A:P
GitHub 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
pypi moin
>=1.9, <1.9.5
1.9.5

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.