CVE-2020-15977

Name: CVE-2020-15977
Creator: NVD / NIST
Published: 2020-11-03T03:15:13.353+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.47%

Last modified Jun 17, 2026

CVE-2020-15977 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Insufficient data validation in dialogs in Google Chrome on OS X prior to 86.0.4240.75 allowed a remote attacker to obtain potentially sensitive information from disk via a crafted HTML page.. EPSS estimates a 1.47% chance of exploitation in the next 30 days.

Description

Insufficient data validation in dialogs in Google Chrome on OS X prior to 86.0.4240.75 allowed a remote attacker to obtain potentially sensitive information from disk 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:H/I:N/A:N

EPSS Probability

1.47%

70.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions	Update
Google	Chrome	< 86.0.4240.75	—
Debian	Debian Linux	10.0	—
Fedoraproject	Fedora	31	—
Fedoraproject	Fedora	32	—
Fedoraproject	Fedora	33	—
Opensuse	Backports Sle	15.0	Sp2

References

http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.htmlMailing List, Third Party Advisory
https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
https://crbug.com/1097724Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/24QFL4C3AZKMFVL7LVSYMU2DNE5VVUGS/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4GWCWNHTTYOH6HSFUXPGPBB6J6JYZHZE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SC3U3H6AISVZB5PLZLLNF4HMQ4UFFL7M/
https://security.gentoo.org/glsa/202101-30Third Party Advisory
https://www.debian.org/security/2021/dsa-4824Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.htmlMailing List, Third Party Advisory
https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
https://crbug.com/1097724Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/24QFL4C3AZKMFVL7LVSYMU2DNE5VVUGS/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4GWCWNHTTYOH6HSFUXPGPBB6J6JYZHZE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SC3U3H6AISVZB5PLZLLNF4HMQ4UFFL7M/
https://security.gentoo.org/glsa/202101-30Third Party Advisory
https://www.debian.org/security/2021/dsa-4824Third Party Advisory

Timeline

Published: Nov 3, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-15977?

Insufficient data validation in dialogs in Google Chrome on OS X prior to 86.0.4240.75 allowed a remote attacker to obtain potentially sensitive information from disk via a crafted HTML page.

How severe is CVE-2020-15977?

CVE-2020-15977 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.47% probability of exploitation in the next 30 days.

How do I fix CVE-2020-15977?

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-2020-15977?

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

Scan your code now

Source: NVD / NIST