Critical severity · published Sep 21, 2020
CVE-2020-15961
Insufficient policy validation in extensions in Google Chrome prior to 85.0.4183.121 allowed an attacker who convinced a user to install a malicious extension to potentially…
9.6
CVSS
1.5%
EPSS
No
On KEV
Description
Insufficient policy validation in extensions in Google Chrome prior to 85.0.4183.121 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
Chrome · Google
before 85.0.4183.121 · source: NVD
BS
Backports Sle · Opensuse
15.0; 15.0 · source: NVD
DL
Debian Linux · Debian
10.0 · source: NVD
FE
Fedora · Fedoraproject
31; 32; 33 · source: NVD
LE
Leap · Opensuse
15.1; 15.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15961
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-15961
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00087.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00095.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00096.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00049.html
Release Notes
https://chromereleases.googleblog.com/2020/09/stable-channel-update-for-desktop_21.html
Exploit
https://crbug.com/1114636
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