CVE-2020-4077 describes a critical context isolation bypass vulnerability in Electron versions prior to 7.2.4, 8.2.4, and 9.0.0-beta21. This flaw allows malicious code running in the renderer's main world context to access the isolated Electron context and execute privileged actions, specifically impacting applications utilizing both contextIsolation and contextBridge. With a CVSS score of 9.9 (CRITICAL), the vulnerability has a low attack complexity and can lead to complete compromise of confidentiality, integrity, and availability. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 7.0.0, < 7.2.4CPE matchmatch criteria | cpe:2.3:a:electronjs:electron:*:*:*:*:*:*:*:* | ||
>= 8.0.0, < 8.2.4CPE matchmatch criteria | cpe:2.3:a:electronjs:electron:*:*:*:*:*:*:*:* | ||
9.0.0CPE matchmatch criteria | cpe:2.3:a:electronjs:electron:9.0.0:-:*:*:*:*:*:* | ||
9.0.0CPE matchmatch criteria | cpe:2.3:a:electronjs:electron:9.0.0:beta1:*:*:*:*:*:* | ||
9.0.0CPE matchmatch criteria | cpe:2.3:a:electronjs:electron:9.0.0:beta10:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 1.0 Bluesky, 0.5 Mastodon, and 1.6 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.