CVE-2020-15400: Cakephp/cakephp Cross-Site Request Forgery Vulnerability

MODERATE
Advisory Identifier: GHSA-j33j-fg2g-mcv2
Share
CVSS 4.3
CWE-79 CWE-352
Published
Advisory Summary

CVE-2020-15400 is a MODERATE (CVSS 4.3) cross-site request forgery vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Cakephp/cakephp libraries in the Packagist ecosystem. The issue involves cross-site request forgery in cakephp. Remediation is available by upgrading affected packages to version 4.0.6, 3.10.3.

CVE-2020-15400 at a Glance

CVE Identifier CVE-2020-15400
GHSA Identifier GHSA-j33j-fg2g-mcv2
Severity MODERATE
CVSS v3.1 Base Score 4.3
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Cakephp/cakephp
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 4.3

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:N/I:L/A:N).

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 None (C:N)
Integrity Low (I:L)
Availability None (A:N)

How to Fix CVE-2020-15400

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

cakephp/cakephp fixed: 4.0.6 
Upgrade cakephp/cakephp to 4.0.6
cakephp/cakephp fixed: 3.10.3 
Upgrade cakephp/cakephp to 3.10.3
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 cakephp/cakephp

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-15400, inspect your project dependencies for Cakephp/cakephp:

inspect dependencies for cakephp/cakephp

Analyze the terminal output to locate any version of Cakephp/cakephp in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.0.6), 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-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In Cakephp/cakephp, 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

CakePHP before 4.0.6 and 3.10.3 mishandles CSRF token generation. This might be remotely exploitable in conjunction with XSS.

CVE-2020-15400 Affected Cakephp/cakephp Versions

2 component(s)
Fixed Versions:
4.0.63.10.3
Product / Package Ecosystem Affected Versions Fixed Version
cakephp/cakephp
 Packagist
≥ 4.0.0
< 4.0.6
4.0.6
cakephp/cakephp
 Packagist
< 3.10.3
3.10.3

References

NVD — CVE-2020-15400 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15400
bakery.cakephp.org/2020/04/18/cakephp_... WEB
https://bakery.cakephp.org/2020/04/18/cakephp_406_released.html
bakery.cakephp.org/2022/05/08/cakephp_... WEB
https://bakery.cakephp.org/2022/05/08/cakephp_3103_released.html

Frequently Asked Questions

What is CVE-2020-15400?
CVE-2020-15400 is a security vulnerability in Cakephp/cakephp involving Cross-Site Request Forgery in CakePHP under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Cakephp/cakephp versions are affected?
Affected versions include releases prior to 4.0.6, 3.10.3 across affected packages: cakephp/cakephp.
What version fixes CVE-2020-15400?
Upgrading to 4.0.6, 3.10.3 (or the latest patched release for your respective branch) resolves the vulnerability.
Is cakephp/cakephp affected?
Yes, cakephp/cakephp is affected in releases prior to 4.0.6, 3.10.3. Upgrade your dependency to 4.0.6, 3.10.3 or later.
What is the CVSS score of CVE-2020-15400?
CVE-2020-15400 has a CVSS v3.1 base score of 4.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
What CWE is associated with CVE-2020-15400?
CVE-2020-15400 is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.).
How can I check Packagist dependencies for CVE-2020-15400?
Run the dependency tree command: 'inspect dependencies for cakephp/cakephp'. 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-j33j-fg2g-mcv2",
  "modified" : "2023-09-14T12:06:06Z",
  "published" : "2022-02-10T22:27:58Z",
  "aliases" : [ "CVE-2020-15400" ],
  "summary" : "Cross-Site Request Forgery in CakePHP",
  "details" : "CakePHP before 4.0.6 and 3.10.3 mishandles CSRF token generation. This might be remotely exploitable in conjunction with XSS.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "cakephp/cakephp"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.0.0"
      }, {
        "fixed" : "4.0.6"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "cakephp/cakephp"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "3.10.3"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-15400"
  }, {
    "type" : "WEB",
    "url" : "https://bakery.cakephp.org/2020/04/18/cakephp_406_released.html"
  }, {
    "type" : "WEB",
    "url" : "https://bakery.cakephp.org/2022/05/08/cakephp_3103_released.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-352", "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-05-11T21:28:56Z",
    "nvd_published_at" : "2020-06-30T12:15:00Z"
  }
}