How severe is CVE-2025-64169?

CVE-2025-64169 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-64169 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-64169?

CVE-2025-64169 affects Wazuh. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-64169?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-64169 have an EU (EUVD) identifier?

Yes. CVE-2025-64169 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198506.

When was CVE-2025-64169 published?

CVE-2025-64169 was published on 2025-11-21 and last updated on 2026-06-17.

CVE-2025-64169

CVE-2025-64169 is a medium-severity vulnerability in Wazuh with a CVSS 3.x base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
CVSS v4: 5.1
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-198506
Weakness: CWE-476
Affected product: Wazuh
Published: 2025-11-21
Last modified: 2026-06-17

Description

Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 3.7.0 to before 4.12.0, fim_alert() implementation does not check whether oldsum->md5 is NULL or not before dereferencing it. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. This issue has been patched in version 4.12.0.

Frequently asked questions

What is CVE-2025-64169?: Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 3.7.0 to before 4.12.0, fim_alert() implementation does not check whether oldsum->md5 is NULL or not before dereferencing it. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. This issue has been patched in version 4.12.0.
How severe is CVE-2025-64169?: CVE-2025-64169 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-64169 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-64169?: CVE-2025-64169 affects Wazuh. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-64169?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-64169 have an EU (EUVD) identifier?: Yes. CVE-2025-64169 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198506.
When was CVE-2025-64169 published?: CVE-2025-64169 was published on 2025-11-21 and last updated on 2026-06-17.

References

https://github.com/wazuh/wazuh/security/advisories/GHSA-hc35-h924-8596

Affected products (1)

cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*

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