CVE-2020-23264: Forkcms/forkcms Cross-Site Request Forgery Vulnerability

HIGH
Advisory Identifier: GHSA-82xf-8h9p-c6qj
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CVSS 8.8
CWE-352
Published
Advisory Summary

CVE-2020-23264 is a HIGH (CVSS 8.8) cross-site request forgery vulnerability (CWE-352: Cross-Site Request Forgery (CSRF)) affecting Forkcms/forkcms libraries in the Packagist ecosystem. The issue involves cross-site request forgery in forkcms. Remediation is available by upgrading affected packages to version 5.8.2.

CVE-2020-23264 at a Glance

CVE Identifier CVE-2020-23264
GHSA Identifier GHSA-82xf-8h9p-c6qj
Severity HIGH
CVSS v3.1 Base Score 8.8
CWE Classification CWE-352: Cross-Site Request Forgery (CSRF)
Affected Product Forkcms/forkcms
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 8.8

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:R/S:U/C:H/I:H/A:H).

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

How to Fix CVE-2020-23264

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

forkcms/forkcms fixed: 5.8.2 
Upgrade forkcms/forkcms to 5.8.2
Verify Direct and Transitive Dependencies

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

inspect dependencies for forkcms/forkcms

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-23264, inspect your project dependencies for Forkcms/forkcms:

inspect dependencies for forkcms/forkcms

Analyze the terminal output to locate any version of Forkcms/forkcms in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 5.8.2), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-352: Cross-Site Request Forgery (CSRF), where the web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor. In Forkcms/forkcms, 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

Cross-site request forgery (CSRF) in Fork-CMS before 5.8.2 allow remote attackers to hijack the authentication of logged administrators.

CVE-2020-23264 Affected Forkcms/forkcms Versions

1 component(s)
Fixed Versions:
5.8.2
Product / Package Ecosystem Affected Versions Fixed Version
forkcms/forkcms
 Packagist
< 5.8.2
5.8.2

References

NVD — CVE-2020-23264 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-23264
Forkcms/forkcms Source Repository REPOSITORY
https://github.com/forkcms/forkcms/pull/3123

Frequently Asked Questions

What is CVE-2020-23264?
CVE-2020-23264 is a security vulnerability in Forkcms/forkcms involving Cross-Site Request Forgery in forkcms under CWE-352: Cross-Site Request Forgery (CSRF).
Which Forkcms/forkcms versions are affected?
Affected versions include releases prior to 5.8.2 across affected packages: forkcms/forkcms.
What version fixes CVE-2020-23264?
Upgrading to 5.8.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is forkcms/forkcms affected?
Yes, forkcms/forkcms is affected in releases prior to 5.8.2. Upgrade your dependency to 5.8.2 or later.
What is the CVSS score of CVE-2020-23264?
CVE-2020-23264 has a CVSS v3.1 base score of 8.8 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2020-23264?
CVE-2020-23264 is classified under CWE-352: Cross-Site Request Forgery (CSRF) (The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.).
How can I check Packagist dependencies for CVE-2020-23264?
Run the dependency tree command: 'inspect dependencies for forkcms/forkcms'. 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-82xf-8h9p-c6qj",
  "modified" : "2021-05-19T20:53:27Z",
  "published" : "2021-06-22T15:23:45Z",
  "aliases" : [ "CVE-2020-23264" ],
  "summary" : "Cross-Site Request Forgery in forkcms",
  "details" : "Cross-site request forgery (CSRF) in Fork-CMS before 5.8.2 allow remote attackers to hijack the authentication of logged administrators.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "forkcms/forkcms"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "5.8.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-23264"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/forkcms/forkcms/pull/3123"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-352" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-05-19T20:53:27Z",
    "nvd_published_at" : "2021-05-06T22:15:00Z"
  }
}