Home/CVE/The protection bypass vulnerability in DLP for Windows 11.9.x is addressed in version 11.10.0. This allowed a local user
CVE

CVE-2023-0400

The protection bypass vulnerability in DLP for Windows 11.9.x is addressed in version 11.10.0. This allowed a local user

The protection bypass vulnerability in DLP for Windows 11.9.x is addressed in version 11.10.0. This allowed a local user to bypass DLP controls when uploading sensitive data from a mapped drive into a web email client. Loading from a local driver was correctly prevented.

Versions prior to 11.9 correctly detected and blocked the attempted upload of sensitive data.

MEDIUM · CVSS 5.9 EPSS 0.00095
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules7 YARA rules0
⬡

Weakness Classification

CWE-427Uncontrolled Search Path Element
CWE-670Always-Incorrect Control Flow Implementation
▤

Affected Products & Versions

1
trellix data loss prevention>= 11.9.0 and < 11.10.0
◈

Sigma Hunt Rules

7
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.
productcriticalHackTool - Windows Credential Editor (WCE) Execution
productcriticalWindows Credential Editor Registry
producthighOpenCanary - MSSQL Login Attempt Via Windows Authentication
producthighWindows LAPS Credential Dump From Entra ID
producthighTamper Windows Defender - PSClassic
producthighTamper Windows Defender Remove-MpPreference - ScriptBlockLogging
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.1 · trellixpsirt@trellix.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 NVD02 Feb 2023 · 09:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://kcm.trellix.com/corporate/index?page=content&id=SB10394&locale=en_USMitigationVendor Advisory
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