Vulnerability Description
Insufficient policy enforcement in WebUI in Google Chrome prior to 87.0.4280.141 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 87.0.4280.141 | |
| Fedoraproject | Fedora | 32 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop.Release NotesVendor Advisory
- https://crbug.com/1149125Permissions RequiredVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202101-05Third Party Advisory
- https://www.debian.org/security/2021/dsa-4832Third Party Advisory
- https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop.Release NotesVendor Advisory
- https://crbug.com/1149125Permissions RequiredVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202101-05Third Party Advisory
- https://www.debian.org/security/2021/dsa-4832Third Party Advisory
FAQ
What is CVE-2021-21111?
CVE-2021-21111 is a vulnerability with a CVSS score of 9.6 (CRITICAL). Insufficient policy enforcement in WebUI in Google Chrome prior to 87.0.4280.141 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a...
How severe is CVE-2021-21111?
CVE-2021-21111 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-21111?
Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Fedoraproject Fedora, Debian Debian Linux.