CVE-2023-37250

Name: CVE-2023-37250
Creator: NVD / NIST
Published: 2023-08-20T08:15:09.013+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7/10EPSS 0.27%

Last modified Jun 17, 2026

CVE-2023-37250 is a high-severity vulnerability rated 7/10 on the CVSS scale. Unity Parsec has a TOCTOU race condition that permits local attackers to escalate privileges to SYSTEM if Parsec was installed in "Per User" mode. The application intentionally launches DLLs from a user-owned directory but intended to always perform integrity verification of those DLLs. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

Description

Unity Parsec has a TOCTOU race condition that permits local attackers to escalate privileges to SYSTEM if Parsec was installed in "Per User" mode. The application intentionally launches DLLs from a user-owned directory but intended to always perform integrity verification of those DLLs. This affects Parsec Loader versions through 8. Parsec Loader 9 is a fixed version.

Metrics

CVSS 3.1

7/10

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

EPSS Probability

0.27%

19.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-367

Affected Software

Vendor	Product	Versions
Unity	Parsec	< 9.0

References

https://support.parsec.app/hc/en-us/articles/18311425588237-CVE-2023-37250Third Party Advisory
https://unity3d.comProduct
https://www.kb.cert.org/vuls/id/287122Third Party Advisory, US Government Resource
https://support.parsec.app/hc/en-us/articles/18311425588237-CVE-2023-37250Third Party Advisory
https://unity3d.comProduct
https://www.kb.cert.org/vuls/id/287122Third Party Advisory, US Government Resource

Timeline

Published: Aug 20, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-37250?

How severe is CVE-2023-37250?

CVE-2023-37250 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.

How do I fix CVE-2023-37250?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-37250?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST