CVE-2023-42463 wazuh-logcollector integer underflow local privilege escalation
A local attacker can exploit an integer underflow in Wazuh log collector to achieve privilege escalation and execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-42463?
CVE-2023-42463 is a high-severity vulnerability in Wazuh Wazuh, published on 12 Jan 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Wazuh is a free and open source platform used for threat prevention, detection, and response. This bug introduced a stack overflow hazard that could allow a local privilege escalation. This vulnerability was patched in version 4.5.3.
Weakness: CWE-121
Which versions are affected by CVE-2023-42463?
It affects 1 product.
Products include Wazuh Wazuh.
How do I fix CVE-2023-42463?
No fix has been published for CVE-2023-42463 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-42463 being exploited?
There is no known exploitation of CVE-2023-42463 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-2021-44079 Command injection in n/a
- 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)
Sources
Also known as GHSA-27p5-32pp-r58r.