CVE-2022-50917
CVE-2022-50917 is a high-severity vulnerability in Proton Protonvpn with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-428.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v4: 8.5
- EPSS exploit prediction: 0% (9th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-2630
- Weakness: CWE-428
- Affected product: Proton Protonvpn
- Published:
- Last modified:
Description
ProtonVPN 1.26.0 contains an unquoted service path vulnerability in its WireGuard service configuration that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path by placing malicious executables in specific file system locations to gain elevated privileges during service startup.
Frequently asked questions
- What is CVE-2022-50917?
- ProtonVPN 1.26.0 contains an unquoted service path vulnerability in its WireGuard service configuration that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path by placing malicious executables in specific file system locations to gain elevated privileges during service startup.
- How severe is CVE-2022-50917?
- CVE-2022-50917 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2022-50917 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-50917?
- CVE-2022-50917 affects Proton Protonvpn. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-50917?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2022-50917 have an EU (EUVD) identifier?
- Yes. CVE-2022-50917 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2630.
- When was CVE-2022-50917 published?
- CVE-2022-50917 was published on 2026-01-13 and last updated on 2026-06-17.
References
- https://protonvpn.com/
- https://www.exploit-db.com/exploits/50837
- https://www.vulncheck.com/advisories/protonvpn-unquoted-service-path
Affected products (1)
- cpe:2.3:a:proton:protonvpn:1.26.0:*:*:*:*:windows:*:*
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