CVE-2021-44079 Command injection in n/a
Attackers can execute arbitrary code by injecting commands into the wazuh-slack active response script via untrusted user agents.
- 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-2021-44079?
CVE-2021-44079 is a critical command injection vulnerability in Wazuh Wazuh, published on 22 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In the wazuh-slack active response script in Wazuh 4.2.x before 4.2.5, untrusted user agents are passed to a curl command line, potentially resulting in remote code execution.
Weakness: CWE-77
Which versions are affected by CVE-2021-44079?
It affects 1 product.
Products include Wazuh Wazuh.
How do I fix CVE-2021-44079?
No fix has been published for CVE-2021-44079 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2021-44079 being exploited?
There is no known exploitation of CVE-2021-44079 in the wild and no public exploit code.
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-2024-1243 Remote code execution and local privilege escalation in Wazuh Windows agent via NetNTLMv2 hash theft
- 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-v276-37m6-wc5x.