CVE-2020-4076 Information

Description

In Electron before versions 7.2.4 8.2.4 and 9.0.0-beta21 there is a context isolation bypass. Code running in the main world context in the renderer can reach into the isolated Electron context and perform privileged actions. Apps using contextIsolation are affected. This is fixed in versions 9.0.0-beta.21 8.2.4 and 7.2.4.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Reference

https://github.com/electron/electron/security/advisories/GHSA-m93v-9qjc-3g79 https://www.electronjs.org/releases/stable?page=3release-notes-for-v824

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

NONE

Base Severity

9.0