Medium severity · published Mar 8, 2021
CVE-2021-21336
Products.PluggableAuthService is a pluggable Zope authentication and authorization framework
6.5
CVSS
1.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PL
Plone · Plone
4.3.0 through 4.3.20; 5.0 through 5.2.4 · source: NVD
PR
Products.pluggableauthservice · Zope
before 2.6.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-21336
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-21336
Mailing List
http://www.openwall.com/lists/oss-security/2021/05/21/1
Mailing List
http://www.openwall.com/lists/oss-security/2021/05/22/1
Patch
https://github.com/zopefoundation/Products.PluggableAuthService/commit/2dad81128250cb2e5d950cddc9d3c0314a80b4bb
Third Party Advisory
https://github.com/zopefoundation/Products.PluggableAuthService/security/advisories/GHSA-p75f-g7gx-2r7p
Product
https://pypi.org/project/Products.PluggableAuthService/
More from Plone
9.9
CVE-2021-33509
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
9.8
CVE-2020-35190
The official plone Docker images before version of 4.3.18-alpine (Alpine specific) contain a blank password for a root user
9.8
CVE-2020-7941
A privilege escalation issue in plone.app.contenttypes in Plone 4.3 through 5.2.1 allows users to PUT (overwrite) some content without needing write permission
8.8
CVE-2021-33926
An issue in Plone CMS v
8.8
CVE-2021-32633
Zope is an open-source web application server