CVE-2021-21154
CVSS v3
9.6
CRITICAL
EPSS Score
1.1 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Heap buffer overflow in Tab Strip in Google Chrome prior to 88.0.4324.182 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Technical details
- Published
- 2021-02-22
Frequently asked questions
What is CVE-2021-21154?
Heap buffer overflow in Tab Strip in Google Chrome prior to 88.0.4324.182 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Is CVE-2021-21154 actively exploited?
Active exploitation of CVE-2021-21154 has not been confirmed. The EPSS score is 1.1%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-21154?
CVE-2021-21154 has a CVSS v3 base score of 9.6 (CRITICAL severity).
Is CVE-2021-21154 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2021 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).