CVE-2020-20693: Gilacms/gila Cross-Site Request Forgery Vulnerability

HIGH
Advisory Identifier: GHSA-hwqc-pgjw-vjqp
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CVSS 8.8
CWE-352
Published
Advisory Summary

CVE-2020-20693 is a HIGH (CVSS 8.8) cross-site request forgery vulnerability (CWE-352: Cross-Site Request Forgery (CSRF)) affecting Gilacms/gila libraries in the Packagist ecosystem. The issue involves cross-site request forgery in gilacms. Remediation is available in the latest vendor maintenance releases.

CVE-2020-20693 at a Glance

CVE Identifier CVE-2020-20693
GHSA Identifier GHSA-hwqc-pgjw-vjqp
Severity HIGH
CVSS v3.1 Base Score 8.8
CWE Classification CWE-352: Cross-Site Request Forgery (CSRF)
Affected Product Gilacms/gila
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-2020-20693

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

gilacms/gila fixed: Latest secure release 
Upgrade gilacms/gila to Latest secure release
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 gilacms/gila

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-20693, inspect your project dependencies for Gilacms/gila:

inspect dependencies for gilacms/gila

Analyze the terminal output to locate any version of Gilacms/gila in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), 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 Gilacms/gila, 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

A Cross-Site Request Forgery (CSRF) in GilaCMS v1.11.4 allows authenticated attackers to arbitrarily add administrator accounts.

CVE-2020-20693 Affected Gilacms/gila Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
gilacms/gila
 Packagist
≤ 1.11.4

References

NVD — CVE-2020-20693 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-20693
Gilacms/gila Source Repository REPOSITORY
https://github.com/GilaCMS/gila/issues/51
Gilacms/gila Source Repository REPOSITORY
https://github.com/GilaCMS/gila

Frequently Asked Questions

What is CVE-2020-20693?
CVE-2020-20693 is a security vulnerability in Gilacms/gila involving Cross-Site Request Forgery in GilaCMS under CWE-352: Cross-Site Request Forgery (CSRF).
Which Gilacms/gila versions are affected?
Affected versions include releases prior to current release patches across affected packages: gilacms/gila.
What version fixes CVE-2020-20693?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is gilacms/gila affected?
Yes, gilacms/gila is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2020-20693?
CVE-2020-20693 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-2020-20693?
CVE-2020-20693 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-2020-20693?
Run the dependency tree command: 'inspect dependencies for gilacms/gila'. 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-hwqc-pgjw-vjqp",
  "modified" : "2021-10-04T13:51:41Z",
  "published" : "2021-09-30T17:13:11Z",
  "aliases" : [ "CVE-2020-20693" ],
  "summary" : "Cross-Site Request Forgery in GilaCMS",
  "details" : "A Cross-Site Request Forgery (CSRF) in GilaCMS v1.11.4 allows authenticated attackers to arbitrarily add administrator accounts.",
  "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" : "gilacms/gila"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "1.11.4"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-20693"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/GilaCMS/gila/issues/51"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/GilaCMS/gila"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-352" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-09-29T18:25:09Z",
    "nvd_published_at" : "2021-09-27T22:15:00Z"
  }
}