CVE-2021-21157
high-risk
Published 2021-02-22
Use after free in Web Sockets in Google Chrome on Linux prior to 88.0.4324.182 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Do I need to act?
~
4.7% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10
High
NETWORK
/ LOW complexity
Affected Products (5)
Affected Vendors
References (10)
Exploit
https://crbug.com/1170657
Third Party Advisory
https://security.gentoo.org/glsa/202104-08
Exploit
https://crbug.com/1170657
Third Party Advisory
https://security.gentoo.org/glsa/202104-08
50
/ 100
high-risk
Severity
30/34 · Critical
Exploitability
8/34 · Low
Exposure
12/34 · Low