CVE-2021-30563

HIGHCISA KEV

8.8

Description

Type Confusion in V8 in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published8/3/2021

Last Modified10/24/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorGoogle

ProductChromium V8

Vulnerability NameGoogle Chromium V8 Type Confusion Vulnerability

KEV Date Added2021-11-03

Remediation Due Date2021-11-17

Ransomware UseUnknown

Affected Products

google:chrome

Weaknesses (CWE)

CWE-843CWE-843

References

https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop.html(chrome-cve-admin@google.com)

https://crbug.com/1228407(chrome-cve-admin@google.com)

https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop.html(af854a3a-2127-422b-91ae-364da2661108)

https://crbug.com/1228407(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30563(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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