What is CVE-2023-37250?

CVE-2023-37250 is a high-severity vulnerability in Unity Parsec, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.0/10. Published 2023-08-20.

How severe is CVE-2023-37250?

High severity. CVSS v3 base score is 7.0 out of 10.

Is CVE-2023-37250 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Unity Parsec

CVE-2023-37250

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.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.003 (22.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Unity Parsec
N/a — versions n/a

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

Public proof-of-concept exploits

References

cve@mitre.org (Product)
cve@mitre.org (US Government Resource, Third Party Advisory)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2023-37250?: CVE-2023-37250 is a high-severity vulnerability in Unity Parsec, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.0/10. Published 2023-08-20.
How severe is CVE-2023-37250?: High severity. CVSS v3 base score is 7.0 out of 10.
Is CVE-2023-37250 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.