CVE-2011-0720: Plone Plone Privilege Escalation Vulnerability Vulnerability

CRITICAL
Advisory Identifier: GHSA-3v28-9jjp-4g5w
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CVSS 9.1
Published
Advisory Summary

CVE-2011-0720 is a CRITICAL (CVSS 9.1) plone privilege escalation vulnerability vulnerability (General Security Weakness) affecting Plone libraries in the PyPI ecosystem. The issue involves plone privilege escalation vulnerability. Remediation is available by upgrading affected packages to version 4.0.4.

CVE-2011-0720 at a Glance

CVE Identifier CVE-2011-0720
GHSA Identifier GHSA-3v28-9jjp-4g5w
Severity CRITICAL
CVSS v3.1 Base Score 9.1
CWE Classification General Security Weakness
Affected Product Plone
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 9.1

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability None (A:N)

How to Fix CVE-2011-0720

To remediate this vulnerability, upgrade all affected Plone dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

Plone fixed: 4.0.4 
pip install Plone>=4.0.4
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

pip show Plone

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2011-0720, inspect your installed packages using pip:

pip show Plone

Analyze the terminal output to locate any version of Plone in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.0.4), your application is affected.

Note: The pip show Plone command checks currently installed packages in your active Python environment.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under General Security Weakness. In Plone, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

Unspecified vulnerability in Plone 2.5 through 4.0, as used in Conga, luci, and possibly other products, allows remote attackers to obtain administrative access, read or create arbitrary content, and change the site skin via unknown vectors.

CVE-2011-0720 Affected Plone Versions

1 component(s)
Fixed Versions:
4.0.4
Product / Package Ecosystem Affected Versions Fixed Version
Plone
pypi/Plone
PyPI
≥ 2.5
< 4.0.4
4.0.4

References

NVD — CVE-2011-0720 NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-0720
exchange.xforce.ibmcloud.com/vulnerabilities/650... WEB
https://exchange.xforce.ibmcloud.com/vulnerabilities/65099
Plone Source Repository REPOSITORY
https://github.com/plone/Plone
Plone Source Repository REPOSITORY
https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2011-13.yaml
Plone Release RELEASE
https://plone.org/products/plone-hotfix/releases/CVE-2011-0720/logchecker.py
seclists.org/fulldisclosure/2011... WEB
https://seclists.org/fulldisclosure/2011/Apr/293
web.archive.org/web/20110505051314/... WEB
https://web.archive.org/web/20110505051314/http://secunia.com/advisories/43914
web.archive.org/web/20110826134658/... WEB
https://web.archive.org/web/20110826134658/http://secunia.com/advisories/43146
Plone Security Information SECURITY
https://web.archive.org/web/20200229153953/http://www.securityfocus.com/bid/46102
osvdb.org/70753 WEB
http://osvdb.org/70753
Plone Security Information SECURITY
http://plone.org/products/plone/security/advisories/cve-2011-0720
www.redhat.com/support/errata/rhsa... WEB
http://www.redhat.com/support/errata/RHSA-2011-0393.html
www.redhat.com/support/errata/rhsa... WEB
http://www.redhat.com/support/errata/RHSA-2011-0394.html

Frequently Asked Questions

What is CVE-2011-0720?
CVE-2011-0720 is a security vulnerability in Plone involving Plone Privilege Escalation Vulnerability under General Security Weakness.
Which Plone versions are affected?
Affected versions include releases prior to 4.0.4 across affected packages: Plone.
What version fixes CVE-2011-0720?
Upgrading to 4.0.4 (or the latest patched release for your respective branch) resolves the vulnerability.
Is Plone affected?
Yes, Plone is affected in releases prior to 4.0.4. Upgrade your dependency to 4.0.4 or later.
What is the CVSS score of CVE-2011-0720?
CVE-2011-0720 has a CVSS v3.1 base score of 9.1 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
What CWE is associated with CVE-2011-0720?
CVE-2011-0720 is classified under General Security Weakness.
How can I check PyPI dependencies for CVE-2011-0720?
Run the dependency tree command: 'pip show Plone'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-3v28-9jjp-4g5w",
  "modified" : "2024-10-14T21:34:28Z",
  "published" : "2022-05-17T02:01:56Z",
  "aliases" : [ "CVE-2011-0720" ],
  "summary" : "Plone Privilege Escalation Vulnerability",
  "details" : "Unspecified vulnerability in Plone 2.5 through 4.0, as used in Conga, luci, and possibly other products, allows remote attackers to obtain administrative access, read or create arbitrary content, and change the site skin via unknown vectors.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "Plone"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.5"
      }, {
        "fixed" : "4.0.4"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2011-0720"
  }, {
    "type" : "WEB",
    "url" : "https://exchange.xforce.ibmcloud.com/vulnerabilities/65099"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/plone/Plone"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2011-13.yaml"
  }, {
    "type" : "WEB",
    "url" : "https://plone.org/products/plone-hotfix/releases/CVE-2011-0720/logchecker.py"
  }, {
    "type" : "WEB",
    "url" : "https://seclists.org/fulldisclosure/2011/Apr/293"
  }, {
    "type" : "WEB",
    "url" : "https://web.archive.org/web/20110505051314/http://secunia.com/advisories/43914"
  }, {
    "type" : "WEB",
    "url" : "https://web.archive.org/web/20110826134658/http://secunia.com/advisories/43146"
  }, {
    "type" : "WEB",
    "url" : "https://web.archive.org/web/20200229153953/http://www.securityfocus.com/bid/46102"
  }, {
    "type" : "WEB",
    "url" : "http://osvdb.org/70753"
  }, {
    "type" : "WEB",
    "url" : "http://plone.org/products/plone/security/advisories/cve-2011-0720"
  }, {
    "type" : "WEB",
    "url" : "http://www.redhat.com/support/errata/RHSA-2011-0393.html"
  }, {
    "type" : "WEB",
    "url" : "http://www.redhat.com/support/errata/RHSA-2011-0394.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-05-01T10:51:17Z",
    "nvd_published_at" : "2011-02-03T17:00:00Z"
  }
}