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Vulnerability record · CVE-2020-6495 · published 3 June 2020

CVE-2020-6495: Google chrome incorrect default permissions vulnerability

Google · Chrome

Insufficient policy enforcement in developer tools in Google Chrome prior to 83.0.4103.97 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

6.5 CVSS 3.1 Medium EPSS 1.1% · top 36.5% CWE-276 · Incorrect default permissions
6.5CVSS 3.1 base score, v2 4.3
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

Description

Insufficient policy enforcement in developer tools in Google Chrome prior to 83.0.4103.97 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

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

Affected products

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

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.html Third Party Advisory
https://chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop.html Vendor Advisory
https://crbug.com/1072116 Permissions Required
https://security.gentoo.org/glsa/202006-02 Third Party Advisory
https://www.debian.org/security/2020/dsa-4714 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.html Third Party Advisory
https://chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop.html Vendor Advisory
https://crbug.com/1072116 Permissions Required
https://security.gentoo.org/glsa/202006-02 Third Party Advisory
https://www.debian.org/security/2020/dsa-4714 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-6495), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.