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Vulnerability record · CVE-2020-6393 · published 11 February 2020

CVE-2020-6393: Google chrome missing authorization vulnerability

Google · Chrome

Insufficient policy enforcement in Blink in Google Chrome prior to 80.0.3987.87 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

6.5 CVSS 3.1 Medium EPSS 1.9% · top 21.6% CWE-862 · Missing authorization
6.5CVSS 3.1 base score, v2 4.3
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
18References
17 Jun 2026Last modified by NVD

Description

Insufficient policy enforcement in Blink in Google Chrome prior to 80.0.3987.87 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

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

Affected products

8 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00015.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00025.html Mailing ListThird Party Advisory
https://access.redhat.com/errata/RHSA-2020:0514 Third Party Advisory
https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop.html Vendor Advisory
https://crbug.com/1035058 Issue TrackingPatchVendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAG
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X3B5RWJQD5LA45MYLLR55KZ
https://security.gentoo.org/glsa/202003-08 Third Party Advisory
https://www.debian.org/security/2020/dsa-4638 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00015.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00025.html Mailing ListThird Party Advisory
https://access.redhat.com/errata/RHSA-2020:0514 Third Party Advisory
https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop.html Vendor Advisory
https://crbug.com/1035058 Issue TrackingPatchVendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAG
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X3B5RWJQD5LA45MYLLR55KZ
https://security.gentoo.org/glsa/202003-08 Third Party Advisory
https://www.debian.org/security/2020/dsa-4638 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-6393), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.