CVE-2023-6020: Ray Ray Missing Authorization Vulnerability Vulnerability

CRITICAL
Advisory Identifier: GHSA-6cxr-8q3m-jwrr
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CVSS 9.3
CWE-598 CWE-862
Published
Advisory Summary

CVE-2023-6020 is a CRITICAL (CVSS 9.3) ray missing authorization vulnerability vulnerability (CWE-598: Use of HTTP Request With Sensitive Query String) affecting Ray libraries in the PyPI ecosystem. The issue involves ray missing authorization vulnerability. Remediation is available by upgrading affected packages to version 2.8.1.

CVE-2023-6020 at a Glance

CVE Identifier CVE-2023-6020
GHSA Identifier GHSA-6cxr-8q3m-jwrr
Severity CRITICAL
CVSS v3.1 Base Score 9.3
CWE Classification CWE-598: Use of HTTP Request With Sensitive Query String
Affected Product Ray
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 9.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N).

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

How to Fix CVE-2023-6020

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

ray fixed: 2.8.1 
pip install ray>=2.8.1
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 ray

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2023-6020, inspect your installed packages using pip:

pip show ray

Analyze the terminal output to locate any version of Ray in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.8.1), your application is affected.

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

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-598: Use of HTTP Request With Sensitive Query String, where the web application uses an http method to process a request, but the request includes sensitive information in the query string. In Ray, 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

LFI in Ray's /static/ directory allows attackers to read any file on the server without authentication. The issue is fixed in version 2.8.1+. Ray maintainers response can be found here: https://www.anyscale.com/blog/update-on-ray-cves-cve-2023-6019-cve-2023-6020-cve-2023-6021-cve-2023-48022-cve-2023-48023

CVE-2023-6020 Affected Ray Versions

1 component(s)
Fixed Versions:
2.8.1
Product / Package Ecosystem Affected Versions Fixed Version
ray
pypi/ray
PyPI
< 2.8.1
2.8.1

References

NVD — CVE-2023-6020 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-6020
Ray Source Repository REPOSITORY
https://github.com/ray-project/ray
Ray Release RELEASE
https://github.com/ray-project/ray/releases/tag/ray-2.8.1
huntr.com/bounties/83dd8619-6... WEB
https://huntr.com/bounties/83dd8619-6dc3-4c98-8f1b-e620fedcd1f6
www.anyscale.com/blog/update-on-ray-... WEB
https://www.anyscale.com/blog/update-on-ray-cves-cve-2023-6019-cve-2023-6020-cve-2023-6021-cve-2023-48022-cve-2023-48023

Frequently Asked Questions

What is CVE-2023-6020?
CVE-2023-6020 is a security vulnerability in Ray involving Ray Missing Authorization vulnerability under CWE-598: Use of HTTP Request With Sensitive Query String.
Which Ray versions are affected?
Affected versions include releases prior to 2.8.1 across affected packages: ray.
What version fixes CVE-2023-6020?
Upgrading to 2.8.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is ray affected?
Yes, ray is affected in releases prior to 2.8.1. Upgrade your dependency to 2.8.1 or later.
What is the CVSS score of CVE-2023-6020?
CVE-2023-6020 has a CVSS v3.1 base score of 9.3 (CRITICAL) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N.
What CWE is associated with CVE-2023-6020?
CVE-2023-6020 is classified under CWE-598: Use of HTTP Request With Sensitive Query String (The web application uses an HTTP method to process a request, but the request includes sensitive information in the query string.).
How can I check PyPI dependencies for CVE-2023-6020?
Run the dependency tree command: 'pip show ray'. 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-6cxr-8q3m-jwrr",
  "modified" : "2025-01-09T23:39:13Z",
  "published" : "2023-11-16T21:30:46Z",
  "aliases" : [ "CVE-2023-6020" ],
  "summary" : "Ray Missing Authorization vulnerability",
  "details" : "LFI in Ray's /static/ directory allows attackers to read any file on the server without authentication. The issue is fixed in version 2.8.1+. Ray maintainers response can be found here: https://www.anyscale.com/blog/update-on-ray-cves-cve-2023-6019-cve-2023-6020-cve-2023-6021-cve-2023-48022-cve-2023-48023",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "ray"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.8.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-6020"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/ray-project/ray"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/ray-project/ray/releases/tag/ray-2.8.1"
  }, {
    "type" : "WEB",
    "url" : "https://huntr.com/bounties/83dd8619-6dc3-4c98-8f1b-e620fedcd1f6"
  }, {
    "type" : "WEB",
    "url" : "https://www.anyscale.com/blog/update-on-ray-cves-cve-2023-6019-cve-2023-6020-cve-2023-6021-cve-2023-48022-cve-2023-48023"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-598", "CWE-862" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-11-27T23:21:39Z",
    "nvd_published_at" : "2023-11-16T21:15:09Z"
  }
}