CVE-2021-21228

Description

Insufficient policy enforcement in extensions in Google Chrome prior to 90.0.4430.93 allowed an attacker who convinced a user to install a malicious extension to bypass navigation restrictions via a crafted Chrome Extension.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.65%
Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory googleblog.com Vendor Advisory crbug.com
Affected: Google Chrome
Published at:
Updated at:

References

Link Tags
https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_26.html release notes vendor advisory
https://crbug.com/1139156 broken link vendor advisory
https://security.gentoo.org/glsa/202104-08 third party advisory vendor advisory
https://www.debian.org/security/2021/dsa-4911 third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-21228?
CVE-2021-21228 has been scored as a medium severity vulnerability.
How to fix CVE-2021-21228?
To fix CVE-2021-21228, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21228 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-21228 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21228?
CVE-2021-21228 affects Google Chrome.
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