CVE-2020-6440

Name: CVE-2020-6440
Creator: NVD / NIST
Published: 2020-04-13T18:15:12.267+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 1.15%

Last modified Jun 17, 2026

CVE-2020-6440 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Inappropriate implementation in extensions in Google Chrome prior to 81.0.4044.92 allowed an attacker who convinced a user to install a malicious extension to obtain potentially sensitive information via a crafted Chrome Extension.. EPSS estimates a 1.15% chance of exploitation in the next 30 days.

Description

Inappropriate implementation in extensions in Google Chrome prior to 81.0.4044.92 allowed an attacker who convinced a user to install a malicious extension to obtain potentially sensitive information via a crafted Chrome Extension.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

1.15%

62.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Google	Chrome	< 81.0.4044.92	—
Debian	Debian Linux	9.0	—
Debian	Debian Linux	10.0	—
Fedoraproject	Fedora	30	—
Fedoraproject	Fedora	31	—
Fedoraproject	Fedora	32	—
Opensuse	Backports	sle-15	Sp1
Opensuse	Leap	15.1	—

References

http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00024.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00031.htmlThird Party Advisory
https://chromereleases.googleblog.com/2020/04/stable-channel-update-for-desktop_7.htmlRelease Notes, Vendor Advisory
https://crbug.com/894477Permissions Required, Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XWIVVYIQU67QR2LHNGGZBS4FZOW2RQO/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HFVP775RPRDVY5FUCN7ABH5AE74TQFDD/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XMXPDHEEACPD3BCMTC26SCCYB2ZMUOAO/
https://www.debian.org/security/2020/dsa-4714Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00024.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00031.htmlThird Party Advisory
https://chromereleases.googleblog.com/2020/04/stable-channel-update-for-desktop_7.htmlRelease Notes, Vendor Advisory
https://crbug.com/894477Permissions Required, Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XWIVVYIQU67QR2LHNGGZBS4FZOW2RQO/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HFVP775RPRDVY5FUCN7ABH5AE74TQFDD/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XMXPDHEEACPD3BCMTC26SCCYB2ZMUOAO/
https://www.debian.org/security/2020/dsa-4714Third Party Advisory

Timeline

Published: Apr 13, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-6440?

How severe is CVE-2020-6440?

CVE-2020-6440 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 1.15% probability of exploitation in the next 30 days.

How do I fix CVE-2020-6440?

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-2020-6440?

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

Scan your code now

Source: NVD / NIST