Information disclosure in Plone
CVE-2021-21336
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"`.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.015 (73.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: +0.000
Affected products
Weakness classification (CWE)
References
- github.com/zopefoundation/Products.PluggableAuthService/security/advisories/GHS… (Third Party Advisory)
- pypi.org/project/Products.PluggableAuthService/ (Product, Third Party Advisory)
- github.com/zopefoundation/Products.PluggableAuthService/commit/2dad81128250cb2e… (Patch, Third Party Advisory)
- www.openwall.com/lists/oss-security/2021/05/21/1 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2021/05/22/1 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21336?
- CVE-2021-21336 is a medium-severity vulnerability in Plone, classified under Information Disclosure. CVSS score: 6.5/10. Published 2021-03-08.
- How severe is CVE-2021-21336?
- Medium severity. CVSS v3 base score is 6.5 out of 10.