{"id":"CVE-2020-5180","aliases":["EUVD-2020-26427","GHSA-p8rm-72hp-945c"],"status":"published","title":"Viscosity 1.8.2 on Windows and macOS allows an unprivileged user to set a subset of OpenVPN...","description":"Viscosity 1.8.2 on Windows and macOS allows an unprivileged user to set a subset of OpenVPN parameters, which can be used to load a malicious library into the memory of the OpenVPN process, leading to limited local privilege escalation. (When a VPN connection is initiated using a TLS/SSL client profile, the privileges are dropped, and the library will be loaded, resulting in arbitrary code execution as a user with limited privileges. This greatly reduces the impact of the vulnerability.)","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00402,"percentile":0.34748,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2020-01-14T19:01:08Z","modified":"2026-06-17T03:20:59Z","products":[{"vendor":"sparklabs","product":"viscosity"}],"references":[{"url":"https://www.sparklabs.com/blog/viscosity-for-mac-windows-version-1-8-4/","tags":["x_refsource_CONFIRM","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5180"},{"url":"https://www.sparklabs.com/blog/"},{"url":"https://github.com/advisories/GHSA-p8rm-72hp-945c"}],"sources":{"cve":[{"id":"CVE-2020-5180","description":"Viscosity 1.8.2 on Windows and macOS allows an unprivileged user to set a subset of OpenVPN parameters, which can be used to load a malicious library into the memory of the OpenVPN process, leading to limited local privilege escalation. (When a VPN connection is initiated using a TLS/SSL client profile, the privileges are dropped, and the library will be loaded, resulting in arbitrary code execution as a user with limited privileges. This greatly reduces the impact of the vulnerability.)","status":"published","published":"2020-01-14T19:01:08Z","modified":"2024-08-04T08:22:08.674Z","updated_at":"2026-11-02T14:35:47.56691Z"}],"euvd":[{"id":"EUVD-2020-26427","description":"Viscosity 1.8.2 on Windows and macOS allows an unprivileged user to set a subset of OpenVPN parameters, which can be used to load a malicious library into the memory of the OpenVPN process, leading to limited local privilege escalation. (When a VPN connection is initiated using a TLS/SSL client profile, the privileges are dropped, and the library will be loaded, resulting in arbitrary code execution as a user with limited privileges. This greatly reduces the impact of the vulnerability.)","status":"published","published":"2020-01-14T19:01:08Z","modified":"2024-08-04T08:22:08Z","updated_at":"2026-11-03T03:08:07.28588Z"}],"ghsa":[{"id":"GHSA-p8rm-72hp-945c","title":"Viscosity 1.8.2 on Windows and macOS allows an unprivileged user to set a subset of OpenVPN...","description":"Viscosity 1.8.2 on Windows and macOS allows an unprivileged user to set a subset of OpenVPN parameters, which can be used to load a malicious library into the memory of the OpenVPN process, leading to limited local privilege escalation. (When a VPN connection is initiated using a TLS/SSL client profile, the privileges are dropped, and the library will be loaded, resulting in arbitrary code execution as a user with limited privileges. This greatly reduces the impact of the vulnerability.)","status":"published","published":"2022-05-24T17:06:10Z","modified":"2023-01-29T05:01:03Z","cwes":["CWE-269"],"updated_at":"2026-11-02T14:44:43.584363Z"}],"nvd":[{"id":"CVE-2020-5180","description":"Viscosity 1.8.2 on Windows and macOS allows an unprivileged user to set a subset of OpenVPN parameters, which can be used to load a malicious library into the memory of the OpenVPN process, leading to limited local privilege escalation. (When a VPN connection is initiated using a TLS/SSL client profile, the privileges are dropped, and the library will be loaded, resulting in arbitrary code execution as a user with limited privileges. This greatly reduces the impact of the vulnerability.)","status":"published","published":"2020-01-14T19:15:13.53Z","modified":"2026-06-17T03:20:59.123Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:05:52.385274Z"}]}}