cve.bz

CVE-2021-30633

9.6 criticalKEVEPSS 33%

Critical (9.6) in Google Chromium Indexed DB API. In CISA KEV since 2021-11-03. EPSS 33% chance of exploitation in the next 30 days.

Use after free in Indexed DB API in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Severity

CVSS 3.1

9.6 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS
33% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
CISA KEV
listed 2021-11-03, due 2021-11-17
CWE
CWE-416
Published
Modified
Record from
the NVD, synced

Affected

References

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