Protonmail's vulnerability footprint is concentrated in its encrypted email and VPN products, which serve a niche constituency prioritizing communication privacy and anonymity. The durable signal centers on permission-assignment and resource-consumption weaknesses, reflecting the complexity of implementing secure authentication and rate-limiting in privacy-focused services. Current severity, exploitation, and exposure figures are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Protonmail over time
Signals from CVEs in this vendor scope (2 CVEs).
2 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2018-10169CRITICAL ProtonVPN 1.3.3 for Windows suffers from a SYSTEM privilege escalation vulnerability through the "ProtonVPN Service" service. This service establishes an NetNamedPipe endpoint that | Apr 16, 2018 | 9.8 | 29 | NO | NO |
CVE-2021-32816HIGH ProtonMail Web Client is the official AngularJS web client for the ProtonMail secure email service. ProtonMail Web Client before version 3.16.60 has a regular expression denial-of- | May 14, 2021 | 7.5 | 23 | NO | NO |
Signals from CVEs in this vendor scope (2 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Protonmail.
Media articles that mention a CVE ID that affects a product developed by Protonmail — matched by CVE ID, not by vendor name.