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EXPOSURES › CVE-2021-21224

CVE-2021-21224

HIGH ⌖ ON CISA KEV · EXPLOITED
DETAIL
SourceCISA-KEV · kev Published2021-11-03 Referencehttps://nvd.nist.gov/vuln/detail/CVE-2021-21224 ↗
⚡ RCE ⌖ EXPLOITED IN THE WILD SHAME 78/100 exploited-in-wildunpatchedrce

A type confusion vulnerability in Google Chromium V8 allowed remote code execution inside a browser sandbox via a crafted HTML page.

The vulnerability in the Chromium V8 engine enabled attackers to execute arbitrary code within the browser's sandbox, posing a significant risk to any organization relying on Chromium-based browsers like Chrome or Edge. For DIB organizations, this highlights the critical need for timely patching of widely used components and the inherent risks of relying on open-source engines that may be exploited in the wild before patches are applied. Organizations should enforce strict update policies and consider alternative browsers if patching cannot be guaranteed.

Shame score — A type confusion vulnerability in a foundational browser engine was actively exploited in the wild (KEV), demonstrating that even major vendors can ship with exploitable flaws that compromise user systems before patches are widely deployed.

▸ RECOMMENDED ACTION  Actively exploited (CISA KEV) — remediate now, ahead of your normal patch cycle.

DESCRIPTION

Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to execute code inside a sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

SENTIMENT · TRUSTED SOURCES
synthesis severe-fallout -0.80
Google's V8 vulnerability was widely flagged as critical, impacting multiple major browsers and triggering immediate remediation demands from security vendors and CISA.
cooey ↗ severe-fallout -0.90
Critical flaw confirmed
"Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to execute code inside a sandbox via a crafted HTML page."
securityonline.info ↗ severe-fallout -0.60
Active exploit alert
"Critical Alert 1 Active Exploit Detected Today CVE-2026-20316"
www.cvefind.com ↗ severe-fallout -0.50
Database listing
"CVE 2021-21224 is listed under CISA KEV and OWASP Top 10 categories."
app.opencve.io ↗ severe-fallout -0.40
Searchable vulnerability
"Chrome CVEs and Security Vulnerabilities - OpenCVE lists 371834 CVEs found."
cvedb.shodan.io ↗ severe-fallout -0.30
API listing
"CVEDB API - Fast Vulnerability Lookups offers quick way to check information about vulnerabilities in a service."
chromereleases.googleblog.com ↗ severe-fallout +0.00
Release page
"Chrome Releases Release updates from the Chrome team"
xposedornot.com ↗ severe-fallout +0.00
Irrelevant to CVE
"Data Breach Directory & Database: Browse 760+ Known Breaches - XposedOrNot"
AFFECTED FEDRAMP PRODUCTS · 2
PRODUCTSTATUS
Google Services (Google Cloud Platform Products and underlying Infrastructure)
Google
Authorized
Google Workspace
Google
Authorized