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Critical

Access control vulnerable to user data deletion by anonynmous users

  • Disclosed: 04.11.2024
  • Updated: 11.10.2026 14:18

Impact

Anonymous users can delete the user data maintained by an AccessControl.userfolder.UserFolder which may prevent any privileged access.

Patches

The problem is fixed in version 7.2.

Workarounds

The problem can be fixed by adding data__roles__ = () to AccessControl.userfolder.UserFolder.

References

https://github.com/zopefoundation/AccessControl/issues/159

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Python (PyPI) accesscontrol < 7.2 7.2
Python (PyPI) zope < 5.11.1 5.11.1

References

CVSS score 9.1/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Weakness (CWE)
CWE-269, CWE-284
Platform
Python (PyPI)
Package
accesscontrol, zope
Disclosed
04.11.2024
Updated
11.10.2026 14:18

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2026-2076 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-g5vw-3h65-2q3v - CC BY 4.0

OSV / GitHub Advisory Database - PYSEC-2026-2326 - PyPA Advisory Database; CC BY 4.0

Vulnerability history: zope

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (17) in the archive
Total entries
17
First → latest
05.2021 11.2024
Without a fix
4
Exploited in attacks
0

Severity breakdown

  • Critical 1
  • High 8
  • Medium 6
  • Low 2

Disclosures per year

Severity:
  1. Access control vulnerable to user data deletion by anonynmous users this entry
    Critical · 9.1 CVE-2024-51734 < 5.11.1 5.11.1
  2. ZCatalog plug-in for Zope allows anonymous users to bypass access restrictions
    High CVE-2002-0688 >= 2.4.0, < 2.6.0 2.6.0
  3. Zope does not properly verify the access for objects with proxy roles
    High CVE-2002-0170 >= 2.2.0, < 2.4.4, >= 2.5.0, < 2.5.1 2.4.4, 2.5.1
  4. Zope does not properly perform security registration for legacy names
    High CVE-2000-1211 >= 2.2.0, <= 2.2.4 no fix
  5. Zope does not properly restrict access to the getRoles method
    High CVE-2000-0725 < 2.2.1 2.2.1
  6. Zope DTML implementation Improper Authentication
    High CVE-2000-0062 >= 2.2.0, <= 2.2.4 no fix
  7. Zope is an open-source web application server. Zope versions prior to versions 4.6.3 and 5.3 have a remote code execution security issue. In order to be affected, one must use Python 3 for one's Zope
    High · 7.5 CVE-2021-32811 >= 4.0, < 4.6.3, >= 5.0, < 5.3 4.6.3, 5.3
  8. Zope is an open-source web application server. This advisory extends the previous advisory at https://github.com/zopefoundation/Zope/security/advisories/GHSA-5pr9-v234-jw36 with additional cases of TA
    High · 8.8 CVE-2021-32674 >= 4.0, < 4.6.1, >= 5.0, < 5.2.1 4.6.1, 5.2.1
  9. Zope is an open-source web application server. In Zope versions prior to 4.6 and 5.2, users can access untrusted modules indirectly through Python modules that are available for direct use. By default
    High · 8.8 CVE-2021-32633 < 4.6, >= 5.0, < 5.2 4.6, 5.2

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