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AEGLIX MIND

Intelligence for Africa and the Gulf

AEGLIX vulnerability intelligence

CVE-2021-30633

CRITICAL · CVSS 9.6 · Analyzed

Published: 2021-10-08 · Updated: 2026-06-17 · Source: NVD

Vulnerability overview

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 and scoring

CVSS score
9.6 · CRITICAL
CVSS version
3.1
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weaknesses
CWE-416

CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.

Known exploitation and remediation

Listed in CISA’s Known Exploited Vulnerabilities catalog.

Affected product
Google · Chromium Indexed DB API
Added to catalog
2021-11-03
Required action
Apply updates per vendor instructions.
CISA remediation due date
2021-11-17

CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.

Verify affected versions and patch availability in the vendor advisory before making changes.

Affected products and versions

  • cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

    Before (exclusive): 93.0.4577.82

  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.

Advisories and references

Explore official sources

Read the official NVD record ↗

Explore the CISA catalog ↗

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