CVE-2020-4077 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 both contextIsolation and contextBridge 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:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Reference

https://github.com/electron/electron/security/advisories/GHSA-h9jc-284h-533g https://www.electronjs.org/releases/stable?page=3release-notes-for-v824

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.9