CVE-2020-6564

Name: CVE-2020-6564
Creator: NVD / NIST
Published: 2020-09-21T20:15:15.01+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.55%

Last modified Jun 17, 2026

CVE-2020-6564 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Inappropriate implementation in permissions in Google Chrome prior to 85.0.4183.83 allowed a remote attacker to spoof the contents of a permission dialog via a crafted HTML page.. EPSS estimates a 1.55% chance of exploitation in the next 30 days.

Description

Inappropriate implementation in permissions in Google Chrome prior to 85.0.4183.83 allowed a remote attacker to spoof the contents of a permission dialog via a crafted HTML page.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS Probability

1.55%

71.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-281

Affected Software

Vendor	Product	Versions	Update
Google	Chrome	< 85.0.4183.83	—
Opensuse	Backports Sle	15.0	Sp1
Debian	Debian Linux	10.0	—
Fedoraproject	Fedora	33	—
Opensuse	Leap	15.1	—
Opensuse	Leap	15.2	—

References

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00072.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00078.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00081.htmlThird Party Advisory
https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop_25.htmlVendor Advisory
https://crbug.com/841622Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE7XWIZBME7JAY7N6CGPET4CLNHHEIVT/
https://www.debian.org/security/2021/dsa-4824Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00072.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00078.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00081.htmlThird Party Advisory
https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop_25.htmlVendor Advisory
https://crbug.com/841622Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE7XWIZBME7JAY7N6CGPET4CLNHHEIVT/
https://www.debian.org/security/2021/dsa-4824Third Party Advisory

Timeline

Published: Sep 21, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-6564?

Inappropriate implementation in permissions in Google Chrome prior to 85.0.4183.83 allowed a remote attacker to spoof the contents of a permission dialog via a crafted HTML page.

How severe is CVE-2020-6564?

CVE-2020-6564 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.55% probability of exploitation in the next 30 days.

How do I fix CVE-2020-6564?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-6564?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST