High severity · published Nov 3, 2020
CVE-2020-15983
Insufficient data validation in webUI in Google Chrome on ChromeOS prior to 86.0.4240.75 allowed a local attacker to bypass content security policy via a crafted HTML page
7.8
CVSS
0.3%
EPSS
No
On KEV
Description
Insufficient data validation in webUI in Google Chrome on ChromeOS prior to 86.0.4240.75 allowed a local attacker to bypass content security policy via a crafted HTML page.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
Chrome · Google
before 86.0.4240.75 · source: NVD
BS
Backports Sle · Opensuse
15.0 · source: NVD
DL
Debian Linux · Debian
10.0 · source: NVD
FE
Fedora · Fedoraproject
31; 32; 33 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15983
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-15983
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html
Release Notes
https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop.html
Permissions Required
https://crbug.com/1076786
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/24QFL4C3AZKMFVL7LVSYMU2DNE5VVUGS/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4GWCWNHTTYOH6HSFUXPGPBB6J6JYZHZE/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SC3U3H6AISVZB5PLZLLNF4HMQ4UFFL7M/
More from Chrome
9.8
CVE-2025-10585
Google Chromium V8 Type Confusion Vulnerability
9.8
CVE-2014-0497
Adobe Flash Player Integer Underflow Vulnerablity
9.6
CVE-2024-7971
Google Chromium V8 Type Confusion Vulnerability
9.6
CVE-2024-5274
Google Chromium V8 Type Confusion Vulnerability
9.6
CVE-2024-4947
Google Chromium V8 Type Confusion Vulnerability