CVE-2024-13089: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in Nozomi Networks Guardian
An OS command injection vulnerability within the update functionality may allow an authenticated administrator to execute unauthorized arbitrary OS commands. Users with administrative privileges may upload update packages to upgrade the versions of Nozomi Networks Guardian and CMC. While these updates are signed and their signatures are validated prior to installation, an improper signature validation check has been identified. This issue could potentially enable users to execute commands remotely on the appliance, thereby impacting confidentiality, integrity, and availability.
AI Analysis
Technical Summary
CVE-2024-13089 is a high-severity OS command injection vulnerability (CWE-78) found in Nozomi Networks Guardian, a cybersecurity product designed for operational technology (OT) and industrial control system (ICS) environments. The vulnerability resides in the update functionality of the Guardian appliance, which allows authenticated administrators to upload update packages to upgrade the software versions of both Nozomi Networks Guardian and its Central Management Console (CMC). Although these update packages are signed and their signatures are validated before installation, an improper signature validation mechanism has been identified. This flaw can be exploited by an authenticated administrator to inject and execute arbitrary operating system commands remotely on the appliance. The vulnerability does not require user interaction beyond authentication but does require high privileges (administrator-level access). Successful exploitation could compromise the confidentiality, integrity, and availability of the affected system by allowing unauthorized command execution, potentially leading to system takeover, data leakage, or denial of service. The CVSS 4.0 base score of 7.5 reflects the network attack vector, low attack complexity, required privileges, and the high impact on confidentiality, integrity, and availability. No known exploits are currently reported in the wild, but the vulnerability's nature and impact make it a critical concern for organizations relying on Nozomi Networks Guardian for OT security.
Potential Impact
For European organizations, especially those operating critical infrastructure such as energy, manufacturing, transportation, and utilities, this vulnerability poses a significant risk. Nozomi Networks Guardian is widely used in OT and ICS environments to monitor and secure industrial networks. Exploitation could allow attackers with administrative credentials to execute arbitrary commands on the Guardian appliance, potentially disrupting monitoring capabilities, manipulating security data, or causing system outages. This could lead to operational disruptions, safety risks, regulatory non-compliance, and financial losses. The compromise of OT security appliances can also serve as a foothold for lateral movement into broader enterprise networks, increasing the risk of widespread impact. Given the critical role of OT security in European critical infrastructure and the increasing targeting of such environments by sophisticated threat actors, the vulnerability could have severe consequences if exploited.
Mitigation Recommendations
1. Immediate patching: Although no patch links are provided in the current information, organizations should monitor Nozomi Networks' official channels for security updates or patches addressing CVE-2024-13089 and apply them promptly. 2. Restrict administrative access: Limit administrator privileges strictly to trusted personnel and enforce strong authentication mechanisms such as multi-factor authentication (MFA) to reduce the risk of credential compromise. 3. Network segmentation: Isolate Nozomi Guardian appliances within dedicated network segments with strict access controls to minimize exposure to unauthorized users. 4. Monitor update processes: Implement logging and alerting on update package uploads and signature validation failures to detect potential exploitation attempts. 5. Conduct regular security audits: Review configuration and access controls on Guardian appliances to ensure adherence to security best practices. 6. Incident response preparedness: Develop and test incident response plans specific to OT security appliance compromise scenarios. 7. Vendor engagement: Engage with Nozomi Networks support for guidance and to confirm timelines for patches or workarounds.
Affected Countries
Germany, France, United Kingdom, Italy, Netherlands, Spain, Belgium, Sweden, Poland, Czech Republic
CVE-2024-13089: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in Nozomi Networks Guardian
Description
An OS command injection vulnerability within the update functionality may allow an authenticated administrator to execute unauthorized arbitrary OS commands. Users with administrative privileges may upload update packages to upgrade the versions of Nozomi Networks Guardian and CMC. While these updates are signed and their signatures are validated prior to installation, an improper signature validation check has been identified. This issue could potentially enable users to execute commands remotely on the appliance, thereby impacting confidentiality, integrity, and availability.
AI-Powered Analysis
Technical Analysis
CVE-2024-13089 is a high-severity OS command injection vulnerability (CWE-78) found in Nozomi Networks Guardian, a cybersecurity product designed for operational technology (OT) and industrial control system (ICS) environments. The vulnerability resides in the update functionality of the Guardian appliance, which allows authenticated administrators to upload update packages to upgrade the software versions of both Nozomi Networks Guardian and its Central Management Console (CMC). Although these update packages are signed and their signatures are validated before installation, an improper signature validation mechanism has been identified. This flaw can be exploited by an authenticated administrator to inject and execute arbitrary operating system commands remotely on the appliance. The vulnerability does not require user interaction beyond authentication but does require high privileges (administrator-level access). Successful exploitation could compromise the confidentiality, integrity, and availability of the affected system by allowing unauthorized command execution, potentially leading to system takeover, data leakage, or denial of service. The CVSS 4.0 base score of 7.5 reflects the network attack vector, low attack complexity, required privileges, and the high impact on confidentiality, integrity, and availability. No known exploits are currently reported in the wild, but the vulnerability's nature and impact make it a critical concern for organizations relying on Nozomi Networks Guardian for OT security.
Potential Impact
For European organizations, especially those operating critical infrastructure such as energy, manufacturing, transportation, and utilities, this vulnerability poses a significant risk. Nozomi Networks Guardian is widely used in OT and ICS environments to monitor and secure industrial networks. Exploitation could allow attackers with administrative credentials to execute arbitrary commands on the Guardian appliance, potentially disrupting monitoring capabilities, manipulating security data, or causing system outages. This could lead to operational disruptions, safety risks, regulatory non-compliance, and financial losses. The compromise of OT security appliances can also serve as a foothold for lateral movement into broader enterprise networks, increasing the risk of widespread impact. Given the critical role of OT security in European critical infrastructure and the increasing targeting of such environments by sophisticated threat actors, the vulnerability could have severe consequences if exploited.
Mitigation Recommendations
1. Immediate patching: Although no patch links are provided in the current information, organizations should monitor Nozomi Networks' official channels for security updates or patches addressing CVE-2024-13089 and apply them promptly. 2. Restrict administrative access: Limit administrator privileges strictly to trusted personnel and enforce strong authentication mechanisms such as multi-factor authentication (MFA) to reduce the risk of credential compromise. 3. Network segmentation: Isolate Nozomi Guardian appliances within dedicated network segments with strict access controls to minimize exposure to unauthorized users. 4. Monitor update processes: Implement logging and alerting on update package uploads and signature validation failures to detect potential exploitation attempts. 5. Conduct regular security audits: Review configuration and access controls on Guardian appliances to ensure adherence to security best practices. 6. Incident response preparedness: Develop and test incident response plans specific to OT security appliance compromise scenarios. 7. Vendor engagement: Engage with Nozomi Networks support for guidance and to confirm timelines for patches or workarounds.
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Technical Details
- Data Version
- 5.1
- Assigner Short Name
- Nozomi
- Date Reserved
- 2024-12-31T11:12:54.800Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 68487f561b0bd07c3938a487
Added to database: 6/10/2025, 6:54:14 PM
Last enriched: 7/11/2025, 3:20:00 AM
Last updated: 8/17/2025, 12:25:35 AM
Views: 16
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