CVE-2024-31221: sunshine Session Fixation

Description

Sunshine is a self-hosted game stream host for Moonlight. Starting in version 0.10.0 and prior to version 0.23.0, after unpairing all devices in the web UI interface and then pairing only one device, all of the previously devices will be temporarily paired. Version 0.23.0 contains a patch for the issue. As a workaround, restarting Sunshine after unpairing all devices prevents the vulnerability.

Is your site exposed to CVE-2024-31221?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:L/A:L

Weakness Type (CWE)

CWE-384 CWE-384

Affected Products

Vendor	Product	Versions
lizardbyte	sunshine	0.10.0 — 0.23.0

References

Advisories & Patches

https://github.com/LizardByte/Sunshine/commit/b7aa8119f1471844dccdf73a8b6f7efc9baddb5e https://github.com/LizardByte/Sunshine/pull/2365 https://github.com/LizardByte/Sunshine/security/advisories/GHSA-v8gw-jw28-v55m https://github.com/LizardByte/Sunshine/commit/b7aa8119f1471844dccdf73a8b6f7efc9baddb5e https://github.com/LizardByte/Sunshine/pull/2365 https://github.com/LizardByte/Sunshine/security/advisories/GHSA-v8gw-jw28-v55m

Exploits

https://github.com/LizardByte/Sunshine/issues/2305 https://github.com/LizardByte/Sunshine/issues/2305

Frequently Asked Questions

What is CVE-2024-31221? +

Sunshine is a self-hosted game stream host for Moonlight. Starting in version 0.10.0 and prior to version 0.23.0, after unpairing all devices in the web UI interface and then pairing only one device, all of the previously devices will be temporarily paired. Version 0.23.0 contains a patch for the issue. As a workaround, restarting Sunshine after unpairing all devices prevents the vulnerability. It has a CVSS v3.1 base score of 5.9 (MEDIUM).

How severe is CVE-2024-31221? +

CVE-2024-31221 has a CVSS v3.1 score of 5.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-31221? +

CVE-2024-31221 affects products from lizardbyte, specifically: sunshine. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-31221? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2025-24502

An improper session validation allows an unauthenticated attacker to cause certain request notifications to be executed in the context of …

CVE-2025-24503

A malicious actor can fix the session of a PAM user by tricking the user to click on a specially …

CVE-2025-0126

When configured using SAML, a session fixation vulnerability in the GlobalProtect™ login enables an attacker to impersonate a legitimate authorized …

CVE-2025-42602

This vulnerability exists in Meon KYC solutions due to improper handling of access and refresh tokens in certain API endpoints …

CVE-2025-4644

A Session Fixation vulnerability existed in Payload's SQLite adapter due to identifier reuse during account creation. A malicious attacker could …

CVE-2026-13707

Session fixation vulnerability in Wikimedia Foundation OAuth. This vulnerability is associated with program files src/Backend/MWOAuthServer.Php. This issue affects OAuth: from …

CVE-2024-31221