Home/CVE/Insufficient policy enforcement in extensions in Google Chrome prior to 86.0.4240.75 allowed an attacker who convinced a
CVE

CVE-2020-15973

Insufficient policy enforcement in extensions in Google Chrome prior to 86.0.4240.75 allowed an attacker who convinced a

Insufficient policy enforcement in extensions in Google Chrome prior to 86.0.4240.75 allowed an attacker who convinced a user to install a malicious extension to bypass same origin policy via a crafted Chrome Extension.

MEDIUM · CVSS 6.5 EPSS 0.00819
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules2 YARA rules0
▤

Affected Products & Versions

4
google chrome< 86.0.4240.75
fedoraproject fedoraall versions
opensuse backports sleall versions
debian linuxall versions
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighRunning Chrome VPN Extensions via the Registry 2 VPN Extension
productmediumPotential Chrome Frame Helper DLL Sideloading
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · chrome-cve-admin@google.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 Nov 2020 · 03:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
⚑

Vendor Advisories

7
suse-csafopenSUSE-SU-2024:10681-1
suse-csafopenSUSE-SU-2024:12948-1
suse-csafopenSUSE-SU-2020:1829-1
suse-csafopenSUSE-SU-2020:1715-1
suse-csafopenSUSE-SU-2020:1705-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.htmlMailing ListThird Party Advisory
https://crbug.com/1106890Permissions RequiredVendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/24QFL4C3AZKMFVL7LVSYMU2DNE5VVUGS/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4GWCWNHTTYOH6HSFUXPGPBB6J6JYZHZE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SC3U3H6AISVZB5PLZLLNF4HMQ4UFFL7M/
https://www.debian.org/security/2021/dsa-4824Third Party Advisory
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