VDB

CVE-2021-37973

CVE-2021-37973 PUBLISHED CVSS 9.6 CRITICAL

Reported by Chrome · Published October 8, 2021

Use after free in Portals in Google Chrome prior to 94.0.4606.61 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Risk Scores

CVSS 3.1
9.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected Products

VendorProductVersions
GoogleChromeunspecified
alpineqt5-qtwebengine0, 0, 0
GoogleChrome*

Exploit Intelligence

…and 5 more exploits

Timeline

  • Sep 24, 2021 PoC Published
  • Oct 8, 2021 CVE Published
  • Oct 9, 2021 EPSS Score
  • Oct 15, 2021 EPSS Score
  • Nov 3, 2021 CISA KEV Added
  • Jan 6, 2022 EPSS Score
  • Feb 4, 2022 EPSS Score
  • Apr 1, 2022 EPSS Score
  • Mar 7, 2023 EPSS Score
  • Jul 27, 2024 EPSS Score
  • Dec 17, 2024 EPSS Score
  • Mar 17, 2025 EPSS Score

References

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