Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Electronjs | Electron | >= 7.0.0, < 7.2.4 |
Related Weaknesses (CWE)
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 NotesVendor 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 NotesVendor Advisory
FAQ
What is CVE-2020-4076?
CVE-2020-4076 is a vulnerability with a CVSS score of 7.8 (HIGH). 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...
How severe is CVE-2020-4076?
CVE-2020-4076 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-4076?
Check the references section above for vendor advisories and patch information. Affected products include: Electronjs Electron.