Unspecified vulnerability in Zope 2.12.x and 2.13.x, as used in Plone 4.0.x through 4.0.9, 4.1, and 4.2 through 4.2a2, allows remote attackers to execute arbitrary commands via vectors related to the p_ class in OFS/misc_.py and the use of Python modules.
CVE-2011-3587
- High exploitation likelihood — EPSS 79%
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EG Risk
- 0EG Risk 0/100
EG Risk is EchelonGraph's 0–100 priority score. It fuses intrinsic severity with real-world exploitation and automatability, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. It is distinct from the 0–10 EG Score, which measures severity.
- EPSS
- 99.5%
- KEV
- Not listed
Published
October 10, 2011
Last Modified
April 29, 2026
References (16)
- secalert@redhathttp://plone.org/products/plone-hotfix/releases/20110928
- secalert@redhathttp://plone.org/products/plone-hotfix/releases/20110928/PloneHotfix20110928-1.0.zip
- secalert@redhathttp://plone.org/products/plone/security/advisories/20110928
- secalert@redhathttp://pypi.python.org/pypi/Products.PloneHotfix20110928/1.0
- secalert@redhathttp://secunia.com/advisories/46221
- secalert@redhathttp://secunia.com/advisories/46323
- secalert@redhathttp://zope2.zope.org/news/security-vulnerability-announcement-cve-2011-3587
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=742297
- af854a3a-2127-422b-91ae-364da2661108http://plone.org/products/plone-hotfix/releases/20110928
- af854a3a-2127-422b-91ae-364da2661108http://plone.org/products/plone-hotfix/releases/20110928/PloneHotfix20110928-1.0.zip
- af854a3a-2127-422b-91ae-364da2661108http://plone.org/products/plone/security/advisories/20110928
- af854a3a-2127-422b-91ae-364da2661108http://pypi.python.org/pypi/Products.PloneHotfix20110928/1.0
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/46221
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/46323
- af854a3a-2127-422b-91ae-364da2661108http://zope2.zope.org/news/security-vulnerability-announcement-cve-2011-3587
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| zope2 | 2.13.0 ... 2.13.9 (10 versions) | 2.13.10 | — |
Data Freshness Timeline
(refreshed 5× in last 7d / 22× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-23 01:05 UTCEG score recompute▼ 7.90
- 2026-07-23 00:09 UTCEG score recompute▲ 7.90
- 2026-07-22 21:48 UTCEG score recompute▼ 9.00
- 2026-07-22 14:03 UTCEPSS rescore
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- 2026-07-15 16:54 UTCEPSS rescore
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- 2026-06-17 17:49 UTCEPSS rescore
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- 2026-06-11 13:56 UTCEPSS rescore
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- 2026-05-31 22:28 UTCEPSS rescore
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- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-29 06:38 UTCEG score recompute
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-26 13:41 UTCEPSS rescore
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- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(2 references)Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-18262✓ verifiedFirst seen Dec 21, 2011
Plone and Zope - Remote Command Execution
Open source ↗ - Metasploitexploit/multi/http/plone_popen2✓ verifiedFirst seen Oct 4, 2011
Plone and Zope XMLTools Remote Command Execution
Open source ↗
Frequently asked(4)
What is CVE-2011-3587?
When was CVE-2011-3587 disclosed?
Is CVE-2011-3587 actively exploited?
How do I remediate CVE-2011-3587?
Dependency Blast Radius
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