NULL pointer dereference in Wazuh
CVE-2025-62785
Wazuh is a free and open source platform used for threat prevention, detection, and response. fillData() implementation does not check whether value is NULL or not before calling os_strdup() on it. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can cause analysisd to crash and make it unavailable. This vulnerability is fixed in 4.10.2.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Wazuh — versions < 4.10.2
Weakness classification (CWE)
References
- github.com/wazuh/wazuh/security/advisories/GHSA-mqpq-pcxc-8259 (Exploit, Vendor Advisory)
- github.com/wazuh/wazuh/commit/17f8dc23a6211cbb398a262fcd1b0fe61b0a8eb6 (Patch)
Frequently asked questions
- What is CVE-2025-62785?
- CVE-2025-62785 is a high-severity vulnerability in Wazuh, classified under CWE-252. CVSS score: 7.5/10. Published 2025-10-29.
- How severe is CVE-2025-62785?
- High severity. CVSS v3 base score is 7.5 out of 10.