Exposure of Sensitive Information to an Unauthorized Actor in Products.GenericSetup

Exploitation

No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.

CVSS 4.0

6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N · score source

EPSS

• CVE-2021-21360: 1.55% estimated exploitation activity in the next 30 days; percentile 75.09 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.

As published by the source; long descriptions are shortened.

Impact What kind of vulnerability is it? Who is impacted? Information disclosure vulnerability - anonymous visitors may view log and snapshot files generated by the Generic Setup Tool. Patches Has the problem been patched? What versions should users upgrade to? The problem has been fixed in version 2.1.1. Depending on how you have installed Products.GenericSetup, you should change the buildout version pin to 2.1.1 and re-run the buildout, or if you used pip simply do pip install "Products.GenericSetup=2.1.1" Workarounds Is there a way for users to fix or remediate the vulnerability without upgrading? Visit the ZMI Security tab at portalsetup/manageaccess and click on the link Access contents information. On the next page, uncheck the box Also use roles acquired from folders containing this objects at the bottom and check the boxes for Manager and Owner. Then click on Save Changes. Return to the ZMI Security tab at portalsetup/manageaccess and scroll down to the link View. Click on…

Published by the source

9 Mar 2021, 00:38 UTC

Last modified by the source

8 Jul 2026, 06:28 UTC

Source last checked

26 Oct 2026, 13:22 UTC

1. Revision 3 · amended · 26 Oct 2026

   Amended from ghsa record GHSA-jff3-mwp3-f8cw

2. Revision 2 · amended · 25 Oct 2026

   Reviewed OSV alias/range/CVSS4 correction; package source scopes and original publication preserved. No customer finding resolved.

3. Revision 1 · created · 24 Oct 2026

   Published from osv record GHSA-jff3-mwp3-f8cw

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# Patch Next advisory brief: CVE-2021-21360

Advisory: Exposure of Sensitive Information to an Unauthorized Actor in Products.GenericSetup
IDs: CVE-2021-21360, GHSA-jff3-mwp3-f8cw
Record: https://patchnext.com/advisories/cve-2021-21360 (revision 3, source checked 26 Oct 2026, 13:22 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 6.9)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: products-genericsetup 2.1.1. A vendor fix does not mean a deployment is fixed.

## Affected components
- PyPI products-genericsetup: affected < 2.1.1; fixed in 2.1.1

## Suggested inspection (read-only)
- `python -m pip show products-genericsetup`: prints the installed version. Run with the environment that serves production active.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on products-genericsetup.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://osv.dev/vulnerability/GHSA-jff3-mwp3-f8cw (OSV record GHSA-jff3-mwp3-f8cw lists affected ranges: PyPI products-genericsetup >=0 <2.1.1 (fixed))
- Verified: https://github.com/advisories/GHSA-jff3-mwp3-f8cw (GitHub-reviewed advisory GHSA-jff3-mwp3-f8cw lists affected ranges: PyPI products-genericsetup >=0 <2.1.1)

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