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CVE-2011-2528
Vulnerability in plone (CVE-2011-2528)
Summary
vulnerability in plone (CVE-2011-2528). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `3.3.6` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2011-2528** has been found in plone.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade plone to **3.3.6** or later.
If unsure, ask your IT team or search "plone CVE-2011-2528" on the vendor's site.
CVE-2011-2528 (plone) —
Patched: `3.3.6` — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
❓ What is the problem
**A vulnerability** (unclassified) exists in plone.
📍 Affected scope
plone — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **3.3.6**.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'plone' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'plone' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `plone` を grep し、稼働しているサービス・バージョンを把握する。
-
6Apply patch patch
Upgrade plone to 3.3.6ステージング環境で 3.3.6 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスと、Step 3 で見つけた異常検知の続報チェックを含めること。
-
7Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。
Affected packages
PyPI
plone
[{"type":"ECOSYSTEM","events":[{"introduced":"3.3.2"},{"fixed":"3.3.6"}]}]
PyPI
zope2
[{"type":"ECOSYSTEM","events":[{"introduced":"2.13.0"},{"fixed":"2.13.8"}]}]
pip
Plone
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.6"}]}]
pip
Zope2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.13.8"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2011-2528
- web https://bugzilla.redhat.com/show_bug.cgi?id=718824
- web https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2011-25.yaml
- web https://mail.zope.org/pipermail/zope-announce/2011-June/002260.html
- web https://plone.org/products/plone-hotfix/releases/20110622
- web https://plone.org/products/plone/security/advisories/20110622
- web https://www.openwall.com/lists/oss-security/2011/07/04/6
- web https://www.openwall.com/lists/oss-security/2011/07/12/9
- web http://plone.org/products/plone-hotfix/releases/20110622
- web http://www.openwall.com/lists/oss-security/2011/07/12/9
- web http://plone.org/products/plone/security/advisories/20110622
- web http://secunia.com/advisories/45056
- web http://secunia.com/advisories/45111
- web http://www.openwall.com/lists/oss-security/2011/07/04/6
- web https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2011-32.yaml
- web https://github.com/advisories/GHSA-p6h9-hpcg-c6gm