Home/CVE/Insufficient policy enforcement in full screen in Google Chrome prior to 81.0.4044.92 allowed a remote attacker to spoof
CVE

CVE-2020-6431

Insufficient policy enforcement in full screen in Google Chrome prior to 81.0.4044.92 allowed a remote attacker to spoof

Insufficient policy enforcement in full screen in Google Chrome prior to 81.0.4044.92 allowed a remote attacker to spoof security UI via a crafted HTML page.

MEDIUM · CVSS 4.3 EPSS 0.00798
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-276Incorrect Default Permissions
▤

Affected Products & Versions

5
google chrome< 81.0.4044.92
debian linuxall versions
fedoraproject fedoraall versions
opensuse backportsall versions
opensuse leapall 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

4.3
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 NVD13 Apr 2020 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
⚑

Vendor Advisories

6
suse-csafopenSUSE-SU-2024:10681-1
suse-csafopenSUSE-SU-2024:12948-1
suse-csafopenSUSE-SU-2020:0540-1
suse-csafopenSUSE-SU-2020:0519-1
chrome-releasesCHROME-81.0.4044.92
🔗

References & Sources

7
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/2020-04/msg00024.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00031.htmlThird Party Advisory
https://crbug.com/852645Permissions RequiredVendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XWIVVYIQU67QR2LHNGGZBS4FZOW2RQO/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HFVP775RPRDVY5FUCN7ABH5AE74TQFDD/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XMXPDHEEACPD3BCMTC26SCCYB2ZMUOAO/
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