CVE-2024-53542
CVE-2024-53542 allows attackers to restart the NCServiceManger in NovaCHRON Zeitsysteme GmbH & Co. KG Smart Time Plus via a crafted GET request due to incorrect access control. The vulnerability exists in the /iclock/Settings?restartNCS=1 component, affecting versions v8.x to v8.6. This allows for unauthorized control over the time management system. Although the CVSS score is 0, meaning it has no assigned base score and no impact vector, the SVRS score of 30 suggests there is some real-world risk. The arbitrary restart of the service could disrupt timekeeping operations or be chained with other vulnerabilities for more severe attacks. While not critical based on SVRS, organizations using affected versions should investigate and apply available patches to mitigate potential security risks. Due to the 'In The Wild' tag, active exploitation is possible, necessitating prompt action.
Description
CVE-2024-53542 describes an incorrect access control vulnerability found in NovaCHRON Zeitsysteme GmbH & Co. KG Smart Time Plus versions v8.x to v8.6. Specifically, the /iclock/Settings?restartNCS=1 component lacks proper access restrictions, allowing attackers to arbitrarily restart the NCServiceManger by sending a crafted GET request. The SVRS score is 0, which doesn't reflect critical risk.
Key Insights
- Impact: Successful exploitation allows unauthorized attackers to restart the NCServiceManger. While not directly disclosing data, this could disrupt timekeeping services, potentially impacting operations reliant on accurate time data.
- Low Severity: The low CVSS score of 6.5 and the SVRS score of 0 suggests that the vulnerability is not considered highly critical. Exploitation may require specific network configurations or local access.
- Limited Information: Based on the provided data, there is no indication of active exploitation in the wild, known threat actors targeting this vulnerability, or CISA warnings. Public exploits haven't been published.
Mitigation Strategies
- Access Control Review and Implementation: Implement proper access control mechanisms for the
/iclock/Settings?restartNCS=1component. Restrict access to authorized personnel only, requiring authentication and authorization checks before allowing the restart of NCServiceManger. - Software Update: Upgrade to a patched version of NovaCHRON Zeitsysteme GmbH & Co. KG Smart Time Plus if one is available. Contact the vendor to inquire about available patches or security advisories related to this vulnerability.
- Network Segmentation: Implement network segmentation to isolate the Smart Time Plus system from other critical systems. This can limit the potential impact of a successful exploit.
- Monitor System Logs: Continuously monitor system logs for suspicious activity, such as unauthorized requests to restart the NCServiceManger. Set up alerts to notify security personnel of any unusual events.
Additional Information
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Indicators of Compromise
Exploits
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Affected Software
References
CWE Details
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