MEDIUM CISA KEV

CVE-2021-30533

CVSS v3

6.5

MEDIUM

EPSS Score

10.5%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

Description

Insufficient policy enforcement in PopupBlocker in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass navigation restrictions via a crafted iframe.

CISA Known Exploited Vulnerability

Date Added
6/27/2022
Patch Due Date
7/18/2022
Ransomware Use
Unknown

Technical details

Published
6/7/2021

Frequently asked questions

What is CVE-2021-30533?

Insufficient policy enforcement in PopupBlocker in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass navigation restrictions via a crafted iframe.

Is CVE-2021-30533 actively exploited?

Yes. CVE-2021-30533 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 7/18/2022.

What is the CVSS score for CVE-2021-30533?

CVE-2021-30533 has a CVSS v3 base score of 6.5 (MEDIUM severity).

Is CVE-2021-30533 affecting your environment?

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

Check an IPSearch CVEs

Other 2021 vulnerabilities worth triaging

Ranked by exploit probability (EPSS).

Back to CVE Database