Vulnerability in Electron
CVE-2020-4076
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.
EPSS: 0.004 (29.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N.
Affected products
- Electron — versions >= 9.0.0-beta.0, <= 9.0.0-beta.20, >= 8.0.0, < 8.2.4, < 7.2.4
- Electronjs Electron — versions 9.0.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_MISC, Release Notes, Vendor Advisory)
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-4076?
- CVE-2020-4076 is a high-severity vulnerability in Electron, classified under Trust Boundary Violation. CVSS score: 7.8/10. Published 2020-07-07.
- How severe is CVE-2020-4076?
- High severity. CVSS v3 base score is 7.8 out of 10.