Vulnerability in Google Chrome

CVE-2021-21132

Inappropriate implementation in DevTools in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted Chrome Extension.

EPSS: 0.234 (97.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-21132?
CVE-2021-21132 is a critical-severity vulnerability in Google Chrome, classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 9.6/10. Published 2021-02-09.
How severe is CVE-2021-21132?
Critical severity. CVSS v3 base score is 9.6 out of 10.