CVE-2021-30633

CRITICALCISA KEV

9.6

Description

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.

CVE Details

CVSS v3.1 Score9.6

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published10/8/2021

Last Modified10/24/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorGoogle

ProductChromium Indexed DB API

Vulnerability NameGoogle Chromium Indexed DB API Use-After-Free Vulnerability

KEV Date Added2021-11-03

Remediation Due Date2021-11-17

Ransomware UseUnknown

Affected Products

fedoraproject:fedoragoogle:chrome

Weaknesses (CWE)

CWE-416CWE-416

References

https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html(chrome-cve-admin@google.com)

https://crbug.com/1247766(chrome-cve-admin@google.com)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/(chrome-cve-admin@google.com)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/(chrome-cve-admin@google.com)

https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html(af854a3a-2127-422b-91ae-364da2661108)

https://crbug.com/1247766(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30633(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.