CVE-2024-1243 Remote code execution and local privilege escalation in Wazuh Windows agent via NetNTLMv2 hash theft
Attackers can steal NetNTLMv2 hashes via malicious UNC paths, enabling remote code execution and privilege escalation to SYSTEM.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-1243?
CVE-2024-1243 is a critical vulnerability in Wazuh Wazuh, published on 11 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2024-1243?
It affects 1 product.
Products include Wazuh Wazuh.
How do I fix CVE-2024-1243?
No fix has been published for CVE-2024-1243 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-1243 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-1243 exists.
Other vulnerabilities in Wazuh Wazuh
- CVE-2025-24016 Wazuh Server Deserialization of Untrusted Data
- CVE-2024-32038 Wazuh Analysis Engine Event Decoder Heap-based Buffer Overflow Remote Code Execution Vulnerability
- CVE-2021-44079 Command injection in n/a
- CVE-2026-61800 Wazuh cluster worker file sync allows arbitrary file write under /var/ossec (incomplete fix for CVE-2026-30893)
- CVE-2026-48024 Wazuh: merged-file header path traversal in cluster sync allows arbitrary file write under WAZUH_PATH in Wazuh manager
Sources
Also known as GHSA-3crh-39qv-fxj7.