Sign in
Deutsch English Español Polski
Critical

Incorrect Permission Assignment for Critical Resource in Plone

  • Disclosed: 21.05.2021
  • Updated: 11.10.2026 11:20

Plone through 5.2.4 allows remote authenticated managers to perform disk I/O via crafted keyword arguments to the ReStructuredText transform in a Python script.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Python (PyPI) plone < 5.2.5 5.2.5

References

CVSS score 9.9/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE)
CWE-732
Platform
Python (PyPI)
Package
plone
Disclosed
21.05.2021
Updated
11.10.2026 11:20

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2021-81 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-hm2p-fhwx-9285 - CC BY 4.0

Vulnerability history: plone

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 (101) in the archive
Total entries
101
First → latest
09.2006 03.2024
Without a fix
10
Exploited in attacks
0

Severity breakdown

  • Critical 5
  • High 36
  • Medium 58
  • Low 2

Disclosures per year

earlier: 52

Severity:
  1. Cross-Frame Scripting vulnerability has been found on Plone CMS
    High · 7.1 CVE-2024-0669 < 6.0.7 6.0.7
  2. Server-Side Request Forgery in Plone CMS
    High · 8.8 CVE-2021-33926 >= 4.3, < 5.2.5 5.2.5
  3. Plone anonymous access to sub-objects in CMFEditions where KwAsAttributes classes were publishable
    High CVE-2011-4030 >= 4.0, < 4.0.10, >= 4.1, < 4.1.1, >= 4.2a1, < 4.2a3 4.0.10, 4.1.1, 4.2a3
  4. Plone Improper Session Management
    High CVE-2008-1393 < 3.0 3.0
  5. Plone CMS Improper Session Management
    High CVE-2008-1394 < 3.0 3.0
  6. Server-Side Request Forgery in Plone
    High · 7.5 CVE-2021-33511 <= 5.2.4 no fix
  7. Incorrect Permission Assignment for Critical Resource in Plone this entry
    Critical · 9.9 CVE-2021-33509 < 5.2.5 5.2.5
  8. Improper Restriction of XML External Entity Reference in Plone
    High · 8.8 CVE-2020-28736 < 5.2.3 5.2.3
  9. SSRF attacks via tracebacks in Plone
    High · 8.8 CVE-2020-28735 < 5.2.3 5.2.3
  10. Improper Restriction of XML External Entity Reference in Plone
    High · 8.8 CVE-2020-28734 < 5.2.3 5.2.3
  11. Plone Privilege Escallation
    High · 8.8 CVE-2020-7938 >= 5.2.0, < 5.2.2 5.2.2
  12. Plone Unauthenticated Write Vulnerability
    Critical · 9.8 CVE-2020-7941 >= 4.3, <= 5.2.1 no fix
  13. SQL Injection in DTML or in connection objects in Plone 4.0 through 5.2.1 allows users to perform unwanted SQL queries. (This is a problem in Zope.)
    High · 8.8 CVE-2020-7939 >= 4.0, < 5.2.2 5.2.2
  14. Missing password strength checks on some forms in Plone 4.3 through 5.2.0 allow users to set weak passwords, leading to easier cracking.
    High · 7.5 CVE-2020-7940 >= 4.3, < 5.2.1 5.2.1
  15. Accessing private content via str.format in through-the-web templates and scripts in Plone 2.5-5.1rc1. This improves an earlier hotfix. Since the format method was introduced in Python 2.6, this part
    High · 6.5 CVE-2017-1000483 >= 2.5, < 4.3.16, >= 5, < 5.1.0 4.3.16, 5.1.0
  16. Multiple cross-site request forgery (CSRF) vulnerabilities in Zope Management Interface 4.3.7 and earlier, and Plone before 5.x.
    High · 8.8 CVE-2015-7293 < 5.0a1 5.0a1
  17. Plone 3.3.0 through 3.3.6 allows remote attackers to inject headers into HTTP responses.
    High · 7.5 CVE-2015-7318 >= 3.3, < 4.0a1 4.0a1
  18. Plone and Zope2 do not reseed pseudo-random number generator
    High · 7.5 CVE-2012-6661 >= 3.2.2, < 4.2.3, >= 4.3a1, < 4.3b1 4.2.3, 4.3b1
  19. at_download.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to read arbitrary BLOBs (Files and Images) stored on custom content types via a crafted URL.
    High · 7.5 CVE-2012-5501 < 4.2.3, >= 4.3a0, < 4.3b1 4.2.3, 4.3b1
  20. python_scripts.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to cause a denial of service (memory consumption) via a large value, related to formatColumns.
    High · 7.5 CVE-2012-5499 < 4.2.3, >= 4.3a0, < 4.3b1 4.2.3, 4.3b1
Show more (20) Showing 20 of 41

Know which vulnerabilities affect your application

With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.

Connect your application
DockRay newsletter

Application security in your inbox

Important vulnerabilities, actionable guidance and practical advice for your applications. Choose your technologies and follow what matters to your project.

  • A daily digest of new vulnerabilities, critical ones included.
  • Notifications about important updates.
  • Practical advice on application security and monitoring.

Leave empty to receive updates for every technology.

Privacy policy

Free to subscribe. Unsubscribe with one click in any email.