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 both `contextIsolation` and `contextBridge` 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-h9jc-284h-533gThird Party Advisory
- https://www.electronjs.org/releases/stable?page=3#release-notes-for-v824Release NotesVendor Advisory
- https://github.com/electron/electron/security/advisories/GHSA-h9jc-284h-533gThird Party Advisory
- https://www.electronjs.org/releases/stable?page=3#release-notes-for-v824Release NotesVendor Advisory
FAQ
What is CVE-2020-4077?
CVE-2020-4077 is a vulnerability with a CVSS score of 7.7 (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-2020-4077?
CVE-2020-4077 has been rated HIGH with a CVSS base score of 7.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-4077?
Check the references section above for vendor advisories and patch information. Affected products include: Electronjs Electron.