medium
6.5
Advisory Published
CVE Published
Updated

CVE-2021-21210: Inappropriate implementation in Network

First published: Thu Mar 04 2021(Updated: )

Inappropriate implementation in Network in Google Chrome prior to 90.0.4430.72 allowed a remote attacker to potentially access local UDP ports via a crafted HTML page.

Credit: chrome-cve-admin@google.com @bananabr

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 (Trace Event)<90.0.4430.72
90.0.4430.72
Google Chrome (Trace Event)<90.0.4430.72
Debian=10.0
Fedora=32
Fedora=33
Fedora=34

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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 the severity of CVE-2021-21210?

    CVE-2021-21210 has a medium severity rating due to its potential to allow remote attackers to access local UDP ports.

  • How do I fix CVE-2021-21210?

    To fix CVE-2021-21210, upgrade Google Chrome to version 90.0.4430.72 or later.

  • What software is affected by CVE-2021-21210?

    CVE-2021-21210 affects Google Chrome versions prior to 90.0.4430.72 and certain versions of Chromium on Debian and Fedora.

  • Can CVE-2021-21210 be exploited remotely?

    Yes, CVE-2021-21210 can be exploited remotely via a crafted HTML page to access local UDP ports.

  • Is there a known workaround for CVE-2021-21210?

    There is no official workaround for CVE-2021-21210; updating to the latest version is the recommended solution.

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