How severe is CVE-2011-3587?

No CVSS score has been assigned to CVE-2011-3587 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by CVE-2011-3587?

Affected package information for CVE-2011-3587 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2011-3587?

No fixed version has been published for CVE-2011-3587 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2011-3587 actively exploited in the wild?

Yes. There are 2 known exploit references for CVE-2011-3587, including 1 documented proof-of-concept exploit on Exploit-DB and 1 in-the-wild exploitation observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2011-3587?

CVE-2011-3587 has an EPSS (Exploit Prediction Scoring System) score of 90.5%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Which products and versions are affected by CVE-2011-3587?

CVE-2011-3587 affects plone plone (14 versions, e.g. 4.0, 4.0.1, 4.0.2…); zope zope (32 versions, e.g. 2.12.0, 2.12.1, 2.12.2…). Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2011-3587 published, and has it been updated?

CVE-2011-3587 was published on October 10, 2011 and was last updated on April 29, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CVE-2011-3587

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…

Published

Oct 10, 2011

Updated

Apr 29, 2026

Affected

0 pkgs

Patched

None yet

Exploits

2 known

EPSS Exploitation Probability

via FIRST.org ↗

90.5%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

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.

Affected Products

2 products · 60 configurations

Application

ploneplone

14 versions

4.04.0.14.0.24.0.34.0.44.0.54.0.6.14.0.74.0.84.0.94.14.2

Application

zopezope

32 versions

2.12.02.12.12.12.22.12.32.12.42.12.52.12.62.12.72.12.82.12.92.12.102.12.11

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-18262webappsmultiple✓ Verified

Plone and Zope - Remote Command Execution

by Nick Miles · Dec 21, 2011

Exploit-DB Source

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2011-3587 in your stack?

O3 detects CVE-2011-3587 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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