Detections
Analytics

CVE-2021-30551

high

Description

Type confusion in V8 in Google Chrome prior to 91.0.4472.101 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

References

https://security.gentoo.org/glsa/202208-25

https://security.gentoo.org/glsa/202107-06

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/

https://googleprojectzero.github.io/0days-in-the-wild/0day-RCAs/2022/CVE-2022-1096.html

https://www.tenable.com/cyber-exposure/2021-threat-landscape-retrospective

https://blog.google/threat-analysis-group/how-we-protect-users-0-day-attacks/

https://github.com/lutfizp/cveRnD

https://github.com/xmzyshypnc/CVE-2021-30551

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30551

https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-17472

https://crbug.com/1216437

https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop.html

Details

Source: Mitre, NVD

Published: 2021-06-15

Updated: 2026-06-17

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.64701