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Vulnerability record · CVE-2020-6456 · published 13 April 2020

CVE-2020-6456: Google chrome incorrect default permissions vulnerability

Google · Chrome

Insufficient validation of untrusted input in clipboard in Google Chrome prior to 81.0.4044.92 allowed a local attacker to bypass site isolation via crafted clipboard contents.

6.5 CVSS 3.1 Medium EPSS 1.4% · top 28.3% CWE-276 · Incorrect default permissions
6.5CVSS 3.1 base score, v2 4.3
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
16References
17 Jun 2026Last modified by NVD

Description

Insufficient validation of untrusted input in clipboard in Google Chrome prior to 81.0.4044.92 allowed a local attacker to bypass site isolation via crafted clipboard contents.

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

Affected products

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

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00024.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00031.html Third Party Advisory
https://chromereleases.googleblog.com/2020/04/stable-channel-update-for-desktop_7.html Release NotesVendor Advisory
https://crbug.com/1040755 Permissions RequiredVendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XWIVVYIQU67QR2LHNGGZBS
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HFVP775RPRDVY5FUCN7ABH5
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XMXPDHEEACPD3BCMTC26SCC
https://www.debian.org/security/2020/dsa-4714 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00024.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00031.html Third Party Advisory
https://chromereleases.googleblog.com/2020/04/stable-channel-update-for-desktop_7.html Release NotesVendor Advisory
https://crbug.com/1040755 Permissions RequiredVendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XWIVVYIQU67QR2LHNGGZBS
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HFVP775RPRDVY5FUCN7ABH5
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XMXPDHEEACPD3BCMTC26SCC
https://www.debian.org/security/2020/dsa-4714 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-6456), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.