PoC Index

CVE-2021-21220

KEVHIGH 8.8EPSS 70.4%

Insufficient validation of untrusted input in V8 in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVSS v3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2.0
6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS
70.44% chance of exploitation in the next 30 days, 99th percentile
CISA KEV
added 2021-11-03
Published
2021-04-26
Updated
2025-10-21

Proof-of-concept exploits (4)

Metasploit modules (1)

Exploit collections (1)

References

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