CVE-2021-21228: Insufficient policy enforcement in extensions
Published Oct 16, 2020
·Updated
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.
Credit
Rob Wu
Affected Software
7 affected componentsFixes available
debian/chromium
90.0.4430.212-1~deb10u1116.0.5845.180-1~deb11u1118.0.5993.70-1~deb11u1116.0.5845.180-1~deb12u1118.0.5993.70-1~deb12u1118.0.5993.70-1
Google Chrome<90.0.4430.93
90.0.4430.93
Google Chrome<90.0.4430.93
Debian Debian Linux=10.0
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Event History
Oct 16, 2020
CVE Published
12:00 AM
Apr 30, 2021
CVE Published
via MITRE·08:15 PM
Data Sourced
via MITRE·08:15 PM
DescriptionWeakness
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
1
What is CVE-2021-21228?
CVE-2021-21228 is a vulnerability in Google Chrome that allowed an attacker to bypass navigation restrictions through a malicious extension.
2
How does CVE-2021-21228 affect Google Chrome?
CVE-2021-21228 affects Google Chrome versions prior to 90.0.4430.93.
3
What is the severity of CVE-2021-21228?
The severity of CVE-2021-21228 is medium, with a severity value of 4.3.
4
How can I fix CVE-2021-21228?
To fix CVE-2021-21228, update Google Chrome to version 90.0.4430.93 or later.