CVE-2020-4076 is a critical context isolation bypass vulnerability affecting Electron versions prior to 7.2.4, 8.2.4, and 9.0.0-beta21. This flaw allows code in the renderer's main world to access the isolated Electron context, enabling privileged actions and impacting applications utilizing contextIsolation. With a CVSS score of 9.0 (CRITICAL), the vulnerability has a local attack vector with low complexity, potentially leading to high confidentiality and integrity impacts. Despite its severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| 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:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.7 Bluesky, 0.3 Mastodon, and 1.0 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.