CVE-2021-21183: Inappropriate implementation in performance APIs

Published Jul 15, 2020
·
Updated

Inappropriate implementation in performance APIs in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Credit

Takashi Yoneuchi@@y0n3uchy

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<89.0.4389.72
89.0.4389.72
Google Chrome<89.0.4389.72
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Debian Debian Linux=10.0

Remediation

Event History

Jul 15, 2020
CVE Published
12:00 AM
Mar 9, 2021
CVE Published
via MITRE·05:46 PM
Data Sourced
via MITRE·05:46 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2021-21183?

CVE-2021-21183 is rated as High severity due to its potential to leak cross-origin data.

2

How do I fix CVE-2021-21183?

To fix CVE-2021-21183, update Google Chrome to version 90.0.4430.212 or later.

3

Which versions of Google Chrome are affected by CVE-2021-21183?

Google Chrome versions prior to 89.0.4389.72 are affected by CVE-2021-21183.

4

What does CVE-2021-21183 exploit?

CVE-2021-21183 exploits inappropriate implementation in performance APIs allowing remote data leakage.

5

Is CVE-2021-21183 specific to any operating system?

No, CVE-2021-21183 affects Google Chrome across different operating systems, including Debian and Fedora.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203