HIGH CISA KEV

CVE-2021-21224

CVSS v3

8.8

HIGH

EPSS Score

54.3%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

Description

Type confusion in V8 in Google Chrome prior to 90.0.4430.85 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

CISA Known Exploited Vulnerability

Date Added
11/3/2021
Patch Due Date
11/17/2021
Ransomware Use
Unknown

Technical details

Published
4/26/2021

Frequently asked questions

What is CVE-2021-21224?

Type confusion in V8 in Google Chrome prior to 90.0.4430.85 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

Is CVE-2021-21224 actively exploited?

Yes. CVE-2021-21224 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 11/17/2021.

What is the CVSS score for CVE-2021-21224?

CVE-2021-21224 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2021-21224 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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