CVE-2021-37973
CVSS v3
9.6
CRITICAL
EPSS Score
12.6 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
Use after free in Portals in Google Chrome prior to 94.0.4606.61 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
CISA Known Exploited Vulnerability
- Date Added
- 2021-11-03
- Patch Due Date
- 2021-11-17
- Ransomware Use
- Unknown
Technical details
- Published
- 2021-10-08
Frequently asked questions
What is CVE-2021-37973?
Use after free in Portals in Google Chrome prior to 94.0.4606.61 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Is CVE-2021-37973 actively exploited?
Yes. CVE-2021-37973 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 2021-11-17.
What is the CVSS score for CVE-2021-37973?
CVE-2021-37973 has a CVSS v3 base score of 9.6 (CRITICAL severity).
Is CVE-2021-37973 affecting your environment?
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