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Trust Boundary Violation

CVE-2020-4077

Severity High
Score 9.9/10

Summary

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 both `contextIsolation` and `contextBridge` are affected. This is fixed in versions 9.0.0-beta.21, 8.2.4 and 7.2.4.

  • LOW
  • NETWORK
  • HIGH
  • CHANGED
  • NONE
  • LOW
  • HIGH
  • HIGH

CWE-501 - Trust Boundary Violation

The product mixes trusted and untrusted data in the same data structure or structured message.

Advisory Timeline

  • Published