CVE-2021-37973

CRITICALCISA KEV

9.6

Description

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.

CVE Details

CVSS v3.1 Score9.6

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published10/8/2021

Last Modified10/24/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorGoogle

ProductChromium Portals

Vulnerability NameGoogle Chromium Portals Use-After-Free Vulnerability

KEV Date Added2021-11-03

Remediation Due Date2021-11-17

Ransomware UseUnknown

Affected Products

debian:debian_linuxfedoraproject:fedoragoogle:chrome

Weaknesses (CWE)

CWE-416CWE-416

References

https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_24.html(chrome-cve-admin@google.com)

https://crbug.com/1251727(chrome-cve-admin@google.com)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/(chrome-cve-admin@google.com)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/(chrome-cve-admin@google.com)

https://www.debian.org/security/2022/dsa-5046(chrome-cve-admin@google.com)

https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_24.html(af854a3a-2127-422b-91ae-364da2661108)

https://crbug.com/1251727(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/(af854a3a-2127-422b-91ae-364da2661108)

https://www.debian.org/security/2022/dsa-5046(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-37973(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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