Incorrect authorization in Pritunl-Client
Priority LOW 37CWE-863Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-863.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00164 5th percentileScored 2026-11-07
Fix Fixed Pritunl-Client (Pritunl): 1.3.4220.57
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Pritunl-Client (Pritunl) Fixed in 1.3.4220.57
Timeline
- 2026-10-02 Threatist record created from CVE-2025-43917
- 2026-10-03 Alias added: GHSA-8m5h-w7m5-3jm3
References
More Pritunl vulnerabilities
- TI-2016-06070 Path traversal in pritunl-client-electron CVSS 3.1CRITICAL 9.8
- TI-2020-15442 Pritunl 1.29.2145.25 allows attackers to enumerate valid VPN usernames via a series of… CVSS 3.1MEDIUM 5.3
- TI-2022-09057 Pritunl Client through 1.2.3019.52 on Windows allows local privilege escalation, related… CVSS 3.1HIGH 7.8
- TI-2020-15890 Privilege escalation via arbitrary file write in pritunl electron client 1.0.1116.6… CVSS 3.1HIGH 7.8
- TI-2020-16688 Pritunl Client v1.2.2550.20 contains a local privilege escalation vulnerability in the… CVSS 3.1HIGH 7.8
- TI-2016-06071 Improper signature verification in pritunl-client-electron CVSS 3.1HIGH 7.5
Sources
- CVE-2025-43917 · CVE Program
- CVE-2025-43917 · NVD
- FIRST EPSS
- GHSA-8m5h-w7m5-3jm3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences