HIGH CISA KEV

CVE-2021-30554

CVSS v3

8.8

HIGH

EPSS Score

2.0%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

Description

Use after free in WebGL in Google Chrome prior to 91.0.4472.114 allowed a remote attacker to potentially exploit heap corruption 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
7/2/2021

Frequently asked questions

What is CVE-2021-30554?

Use after free in WebGL in Google Chrome prior to 91.0.4472.114 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Is CVE-2021-30554 actively exploited?

Yes. CVE-2021-30554 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-2021-30554?

CVE-2021-30554 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2021-30554 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