Vulnerability Description
Products.PluggableAuthService is a pluggable Zope authentication and authorization framework. In Products.PluggableAuthService before version 2.6.0 there is an information disclosure vulnerability - everyone can list the names of roles defined in the ZODB Role Manager plugin if the site uses this plugin. The problem has been fixed in version 2.6.0. Depending on how you have installed Products.PluggableAuthService, you should change the buildout version pin to 2.6.0 and re-run the buildout, or if you used pip simply do `pip install "Products.PluggableAuthService>=2.6.0"`.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Zope | Products.Pluggableauthservice | < 2.6.0 |
| Plone | Plone | >= 4.3.0, <= 4.3.20 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2021/05/21/1Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/05/22/1Mailing ListThird Party Advisory
- https://github.com/zopefoundation/Products.PluggableAuthService/commit/2dad81128PatchThird Party Advisory
- https://github.com/zopefoundation/Products.PluggableAuthService/security/advisorThird Party Advisory
- https://pypi.org/project/Products.PluggableAuthService/ProductThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/05/21/1Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/05/22/1Mailing ListThird Party Advisory
- https://github.com/zopefoundation/Products.PluggableAuthService/commit/2dad81128PatchThird Party Advisory
- https://github.com/zopefoundation/Products.PluggableAuthService/security/advisorThird Party Advisory
- https://pypi.org/project/Products.PluggableAuthService/ProductThird Party Advisory
FAQ
What is CVE-2021-21336?
CVE-2021-21336 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Products.PluggableAuthService is a pluggable Zope authentication and authorization framework. In Products.PluggableAuthService before version 2.6.0 there is an information disclosure vulnerability - e...
How severe is CVE-2021-21336?
CVE-2021-21336 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-21336?
Check the references section above for vendor advisories and patch information. Affected products include: Zope Products.Pluggableauthservice, Plone Plone.