Threat Intelligence / CVE / CVE-2021-37973

CVE-2021-37973

CISA KEV

CVSS 9.6 (CRITICAL) · EPSS 6.5% · Published 2021-10-08

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.

CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Weaknesses (CWE)

CWE-416

Threats tracking this CVE

Hack-for-Hire Espionage Campaign Targeting MENA Civil Society via Predator/Intellexa Mercenary Spyware — HIGH

References

https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_24.html
https://crbug.com/1251727
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/
https://www.debian.org/security/2022/dsa-5046
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-37973

Full detection coverage & IOCs for threats exploiting CVE-2021-37973 are available via the Threadlinqs MCP server (Purple tier). View plans →

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