CVE-2022-40497: n/a in n/a
Wazuh v3.6.1 - v3.13.5, v4.0.0 - v4.2.7, and v4.3.0 - v4.3.7 were discovered to contain an authenticated remote code execution (RCE) vulnerability via the Active Response endpoint.
AI Analysis
Technical Summary
CVE-2022-40497 is a high-severity authenticated remote code execution (RCE) vulnerability affecting multiple versions of Wazuh, specifically versions 3.6.1 through 3.13.5, 4.0.0 through 4.2.7, and 4.3.0 through 4.3.7. Wazuh is an open-source security monitoring and threat detection platform widely used for intrusion detection, log analysis, and compliance monitoring. The vulnerability resides in the Active Response endpoint, a component designed to automate responses to security events. An attacker with valid authentication privileges can exploit this vulnerability to execute arbitrary code remotely on the affected system. The CVSS v3.1 base score is 8.8, indicating a high level of severity. The vector string (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) reveals that the attack can be performed remotely over the network with low attack complexity, requires low privileges (authenticated user), and no user interaction, affecting confidentiality, integrity, and availability with high impact. The underlying weakness is classified as CWE-94, which corresponds to improper control of code generation, typically leading to code injection or execution flaws. Although no public exploits are currently known in the wild, the vulnerability's characteristics make it a significant risk, especially in environments where Wazuh is deployed with multiple users having authenticated access. The absence of patch links suggests that users must consult official Wazuh advisories or repositories for updates or mitigations. This vulnerability could allow attackers to gain full control over the affected systems, potentially leading to data breaches, system compromise, and disruption of security monitoring capabilities.
Potential Impact
For European organizations, the impact of CVE-2022-40497 can be substantial. Wazuh is commonly used in enterprise environments for security monitoring, compliance, and incident response. Exploitation of this vulnerability could allow attackers to bypass security controls by executing arbitrary code, potentially disabling or manipulating security alerts and logs. This undermines the organization's ability to detect and respond to threats, increasing the risk of prolonged undetected intrusions. Confidential data could be exfiltrated or altered, and system availability could be compromised, affecting business continuity. Given the GDPR and other stringent data protection regulations in Europe, a breach resulting from this vulnerability could lead to significant legal and financial penalties. Additionally, critical infrastructure and sectors such as finance, healthcare, and government agencies that rely on Wazuh for security monitoring could face elevated risks of targeted attacks leveraging this vulnerability.
Mitigation Recommendations
To mitigate CVE-2022-40497, European organizations should take the following specific actions: 1) Immediately identify all Wazuh deployments and verify their versions against the affected ranges. 2) Apply official patches or updates from Wazuh as soon as they become available; if patches are not yet released, monitor vendor communications closely. 3) Restrict access to the Active Response endpoint by enforcing strict authentication and authorization policies, limiting access to trusted administrators only. 4) Implement network segmentation and firewall rules to limit exposure of Wazuh management interfaces to untrusted networks. 5) Employ multi-factor authentication (MFA) for all users with access to Wazuh to reduce the risk of credential compromise. 6) Monitor logs and alerts for unusual activity related to the Active Response endpoint or unexpected code execution. 7) Consider temporarily disabling or restricting Active Response functionality if feasible until patches are applied. 8) Conduct thorough security audits and penetration tests focusing on Wazuh components to identify any exploitation attempts or residual risks. These steps go beyond generic advice by focusing on access control hardening, monitoring, and operational adjustments tailored to the nature of this vulnerability.
Affected Countries
Germany, France, United Kingdom, Netherlands, Italy, Spain, Sweden, Belgium, Poland, Finland
CVE-2022-40497: n/a in n/a
Description
Wazuh v3.6.1 - v3.13.5, v4.0.0 - v4.2.7, and v4.3.0 - v4.3.7 were discovered to contain an authenticated remote code execution (RCE) vulnerability via the Active Response endpoint.
AI-Powered Analysis
Technical Analysis
CVE-2022-40497 is a high-severity authenticated remote code execution (RCE) vulnerability affecting multiple versions of Wazuh, specifically versions 3.6.1 through 3.13.5, 4.0.0 through 4.2.7, and 4.3.0 through 4.3.7. Wazuh is an open-source security monitoring and threat detection platform widely used for intrusion detection, log analysis, and compliance monitoring. The vulnerability resides in the Active Response endpoint, a component designed to automate responses to security events. An attacker with valid authentication privileges can exploit this vulnerability to execute arbitrary code remotely on the affected system. The CVSS v3.1 base score is 8.8, indicating a high level of severity. The vector string (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) reveals that the attack can be performed remotely over the network with low attack complexity, requires low privileges (authenticated user), and no user interaction, affecting confidentiality, integrity, and availability with high impact. The underlying weakness is classified as CWE-94, which corresponds to improper control of code generation, typically leading to code injection or execution flaws. Although no public exploits are currently known in the wild, the vulnerability's characteristics make it a significant risk, especially in environments where Wazuh is deployed with multiple users having authenticated access. The absence of patch links suggests that users must consult official Wazuh advisories or repositories for updates or mitigations. This vulnerability could allow attackers to gain full control over the affected systems, potentially leading to data breaches, system compromise, and disruption of security monitoring capabilities.
Potential Impact
For European organizations, the impact of CVE-2022-40497 can be substantial. Wazuh is commonly used in enterprise environments for security monitoring, compliance, and incident response. Exploitation of this vulnerability could allow attackers to bypass security controls by executing arbitrary code, potentially disabling or manipulating security alerts and logs. This undermines the organization's ability to detect and respond to threats, increasing the risk of prolonged undetected intrusions. Confidential data could be exfiltrated or altered, and system availability could be compromised, affecting business continuity. Given the GDPR and other stringent data protection regulations in Europe, a breach resulting from this vulnerability could lead to significant legal and financial penalties. Additionally, critical infrastructure and sectors such as finance, healthcare, and government agencies that rely on Wazuh for security monitoring could face elevated risks of targeted attacks leveraging this vulnerability.
Mitigation Recommendations
To mitigate CVE-2022-40497, European organizations should take the following specific actions: 1) Immediately identify all Wazuh deployments and verify their versions against the affected ranges. 2) Apply official patches or updates from Wazuh as soon as they become available; if patches are not yet released, monitor vendor communications closely. 3) Restrict access to the Active Response endpoint by enforcing strict authentication and authorization policies, limiting access to trusted administrators only. 4) Implement network segmentation and firewall rules to limit exposure of Wazuh management interfaces to untrusted networks. 5) Employ multi-factor authentication (MFA) for all users with access to Wazuh to reduce the risk of credential compromise. 6) Monitor logs and alerts for unusual activity related to the Active Response endpoint or unexpected code execution. 7) Consider temporarily disabling or restricting Active Response functionality if feasible until patches are applied. 8) Conduct thorough security audits and penetration tests focusing on Wazuh components to identify any exploitation attempts or residual risks. These steps go beyond generic advice by focusing on access control hardening, monitoring, and operational adjustments tailored to the nature of this vulnerability.
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Technical Details
- Data Version
- 5.1
- Assigner Short Name
- mitre
- Date Reserved
- 2022-09-11T00:00:00.000Z
- Cisa Enriched
- true
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 682dec48c4522896dcc00a78
Added to database: 5/21/2025, 3:07:52 PM
Last enriched: 7/7/2025, 2:55:12 PM
Last updated: 8/15/2025, 8:41:07 AM
Views: 14
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