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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (29.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
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
- www.electronjs.org/releases/stable (Release Notes, Vendor Advisory)
- github.com/electron/electron/security/advisories/GHSA-m93v-9qjc-3g79 (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.