CVE-2020-4076
Last modified
CVE-2020-4076 is a critical-severity vulnerability rated 9/10 on the CVSS scale. 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. EPSS estimates a 0.37% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Electronjs | Electron | >= 7.0.0, < 7.2.4 |
| Electronjs | Electron | >= 8.0.0, < 8.2.4 |
| Electronjs | Electron | 9.0.0 |
References
- https://github.com/electron/electron/security/advisories/GHSA-m93v-9qjc-3g79Third Party Advisory
- https://www.electronjs.org/releases/stable?page=3#release-notes-for-v824Release Notes, Vendor Advisory
- https://github.com/electron/electron/security/advisories/GHSA-m93v-9qjc-3g79Third Party Advisory
- https://www.electronjs.org/releases/stable?page=3#release-notes-for-v824Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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