What is CVE-2024-51738?

CVE-2024-51738 is a high-severity vulnerability in Lizardbyte Sunshine, classified under Authentication Bypass by Primary Weakness. CVSS score: 8.1/10. Published 2025-01-20.

How severe is CVE-2024-51738?

High severity. CVSS v3 base score is 8.1 out of 10.

NULL pointer dereference in Lizardbyte Sunshine

CVE-2024-51738

Sunshine is a self-hosted game stream host for Moonlight. In 0.23.1 and earlier, Sunshine's pairing protocol implementation does not validate request order and is thereby vulnerable to a MITM attack, potentially allowing an unauthenticated attacker to pair a client by hijacking a legitimate pairing attempt. This bug may also be used by a remote attacker to crash Sunshine. This vulnerability is fixed in 2025.118.151840.

Published 2025-01-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (46.8th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Lizardbyte Sunshine — versions < 2025.118.151840

Weakness classification (CWE)

References

github.com/LizardByte/Sunshine/security/advisories/GHSA-3hrw-xv8h-9499 (Vendor Advisory)
github.com/LizardByte/Sunshine/commit/89f097ae65277d42b5d40163d09d92e412e6d7dd (Patch)

Frequently asked questions

What is CVE-2024-51738?: CVE-2024-51738 is a high-severity vulnerability in Lizardbyte Sunshine, classified under Authentication Bypass by Primary Weakness. CVSS score: 8.1/10. Published 2025-01-20.
How severe is CVE-2024-51738?: High severity. CVSS v3 base score is 8.1 out of 10.