medium
4.3
Advisory Published
CVE Published
Updated

CVE-2021-21185: Insufficient policy enforcement in extensions

First published: Tue Jun 30 2020(Updated: )

Insufficient policy enforcement in extensions in Google Chrome prior to 89.0.4389.72 allowed an attacker who convinced a user to install a malicious extension to obtain sensitive information via a crafted Chrome Extension.

Credit: chrome-cve-admin@google.com David Erceg

Affected SoftwareAffected VersionHow to fix
debian/chromium
90.0.4430.212-1~deb10u1
116.0.5845.180-1~deb11u1
118.0.5993.70-1~deb11u1
116.0.5845.180-1~deb12u1
118.0.5993.70-1~deb12u1
118.0.5993.70-1
Google Chrome<89.0.4389.72
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Debian Debian Linux=10.0
Google Chrome<89.0.4389.72
89.0.4389.72

Remedy

https://crbug.com/1100748

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2021-21185?

    CVE-2021-21185 is a vulnerability that allows an attacker to obtain sensitive information through a malicious Chrome Extension in Google Chrome versions prior to 89.0.4389.72.

  • How severe is CVE-2021-21185?

    CVE-2021-21185 has a severity rating of 4.3, which is considered medium.

  • Which software versions are affected by CVE-2021-21185?

    Google Chrome versions prior to 89.0.4389.72 and certain versions of Chromium, Fedora, and Debian Linux are affected by CVE-2021-21185.

  • How can I fix CVE-2021-21185?

    To fix CVE-2021-21185, update Google Chrome to version 89.0.4389.72 or newer, or apply the recommended updates for affected versions of Chromium, Fedora, and Debian Linux.

  • Where can I find more information about CVE-2021-21185?

    You can find more information about CVE-2021-21185 on the Debian Security Tracker, the Google Chrome Releases blog, and the Chromium Bug Tracker.

Company

Resources

Contact

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