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Vulnerability record · CVE-2021-21336 · published 8 March 2021

CVE-2021-21336: Zope products.pluggableauthservice information exposure vulnerability

Zope · Products.Pluggableauthservice

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"`.

6.5 CVSS 3.1 Medium EPSS 1.5% · top 26.8% CWE-200 · Information exposure
6.5CVSS 3.1 base score, v2 4.0
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2021/05/21/1 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2021/05/22/1 Mailing ListThird Party Advisory
https://github.com/zopefoundation/Products.PluggableAuthService/commit/2dad81128250cb2e5d950cddc9d3c0314a80b4bb PatchThird Party Advisory
https://github.com/zopefoundation/Products.PluggableAuthService/security/advisories/GHSA-p75f-g7gx-2r7p Third Party Advisory
https://pypi.org/project/Products.PluggableAuthService/ ProductThird Party Advisory
http://www.openwall.com/lists/oss-security/2021/05/21/1 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2021/05/22/1 Mailing ListThird Party Advisory
https://github.com/zopefoundation/Products.PluggableAuthService/commit/2dad81128250cb2e5d950cddc9d3c0314a80b4bb PatchThird Party Advisory
https://github.com/zopefoundation/Products.PluggableAuthService/security/advisories/GHSA-p75f-g7gx-2r7p Third Party Advisory
https://pypi.org/project/Products.PluggableAuthService/ ProductThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2021-21336), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.