How severe is CVE-2025-62791?

CVE-2025-62791 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-62791 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-62791?

CVE-2025-62791 affects Wazuh. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-62791?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-62791 have an EU (EUVD) identifier?

Yes. CVE-2025-62791 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-36675.

When was CVE-2025-62791 published?

CVE-2025-62791 was published on 2025-10-29 and last updated on 2026-06-17.

CVE-2025-62791

CVE-2025-62791 is a high-severity vulnerability in Wazuh with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
CVSS v4: 6.9
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-36675
Weakness: CWE-476
Affected product: Wazuh
Published: 2025-10-29
Last modified: 2026-06-17

Description

Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.11.0, DecodeCiscat() implementation does not check the return the value of cJSON_GetObjectItem() for a possible NULL value in case of an error. 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 4.11.0.

Frequently asked questions

What is CVE-2025-62791?: Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.11.0, DecodeCiscat() implementation does not check the return the value of cJSON_GetObjectItem() for a possible NULL value in case of an error. 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 4.11.0.
How severe is CVE-2025-62791?: CVE-2025-62791 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-62791 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-62791?: CVE-2025-62791 affects Wazuh. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-62791?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-62791 have an EU (EUVD) identifier?: Yes. CVE-2025-62791 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-36675.
When was CVE-2025-62791 published?: CVE-2025-62791 was published on 2025-10-29 and last updated on 2026-06-17.

References

https://github.com/wazuh/wazuh/security/advisories/GHSA-gcwf-6p6m-gvm7

Affected products (1)

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

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