CVE-2020-6400: Medium severity Google Chrome vulnerability

Published Feb 10, 2020
·
Updated

An inappropriate implementation flaw was found in the CORS component of the Chromium browser.

Upstream bug(s):

https://code.google.com/p/chromium/issues/detail?id=1038036

External References:

https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop.html

Other sources

Inappropriate implementation in CORS in Google Chrome prior to 80.0.3987.87 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Affected Software

15 affected componentsFixes available
debian/chromium
90.0.4430.212-1~deb10u1116.0.5845.180-1~deb11u1120.0.6099.129-1~deb11u1119.0.6045.199-1~deb12u1120.0.6099.129-1~deb12u1120.0.6099.129-1
redhat/chromium-browser<80.0.3987.87
80.0.3987.87
Google Chrome<80.0.3987.87
openSUSE Backports SLE=15.0-sp1
Fedoraproject Fedora=30
Fedoraproject Fedora=31
Debian Debian Linux=9.0
Debian Debian Linux=10.0
SUSE Package Hub
SUSE Linux Enterprise=12.0
redhat Enterprise Linux Desktop=6.0
redhat Enterprise Linux Server=6.0
redhat Enterprise Linux Workstation=6.0
All of the following
SUSE Package Hub
SUSE Linux Enterprise=12.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 90.0.4430.212-1~deb10u1Fixed in 116.0.5845.180-1~deb11u1Fixed in 120.0.6099.129-1~deb11u1Fixed in 119.0.6045.199-1~deb12u1Fixed in 120.0.6099.129-1~deb12u1Fixed in 120.0.6099.129-1
  2. Upgrade

    Upgrade redhat/chromium-browser to a version that resolves this vulnerability.

    Fixed in 80.0.3987.87
  3. Upgrade

    Upgrade chromium/google chrome to a version that resolves this vulnerability.

    Fixed in 80.0.3987.87

Event History

Feb 11, 2020
CVE Published
via MITRE·02:42 PM
Data Sourced
via MITRE·02:42 PM
DescriptionWeakness
Data Sourced
via NVD·03:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
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 CVE-2020-6400?

CVE-2020-6400 is a vulnerability in Google Chrome that allows a remote attacker to leak cross-origin data.

2

What is the severity of CVE-2020-6400?

The severity of CVE-2020-6400 is medium with a score of 6.5.

3

How can I exploit CVE-2020-6400?

As a cybersecurity analyst, I cannot provide assistance or guidance on exploiting vulnerabilities.

4

How do I fix CVE-2020-6400?

To fix CVE-2020-6400, update Google Chrome to version 80.0.3987.87 or later.

5

Where can I find more information about CVE-2020-6400?

You can find more information about CVE-2020-6400 in the references provided: [link1], [link2], [link3].

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