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CVE
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CVE-2020-4076Date: (C)2020-07-07   (M)2023-12-22


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 9.0CVSS Score : 3.6
Exploit Score: 2.5Exploit Score: 3.9
Impact Score: 5.8Impact Score: 4.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: CHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: NONE
Integrity: HIGH 
Availability: NONE 
  
Reference:
https://github.com/electron/electron/security/advisories/GHSA-m93v-9qjc-3g79
https://www.electronjs.org/releases/stable?page=3#release-notes-for-v824

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