Auth bypass in Pritunl Pritunl-Client

CVE-2025-43917

In Pritunl Client before 1.3.4220.57, an administrator with access to /Applications can escalate privileges after uninstalling the product. Specifically, an administrator can insert a new file at the pathname of the removed pritunl-service file. This file then is executed by a LaunchDaemon as root.

Vulnerability class: Broken Access Control

EPSS: 0.002 (5.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-43917?
CVE-2025-43917 is a high-severity vulnerability in Pritunl Pritunl-Client, classified under Incorrect Authorization. CVSS score: 8.2/10. Published 2025-04-19.
How severe is CVE-2025-43917?
High severity. CVSS v3 base score is 8.2 out of 10.