CVSS Score: 7.8 (HIGH)
EPSS Score: 0.04%
Risk Score: 5.46 (HIGH)
Risk Score based on CVSS score and EPSS. This score is for reference purposes and is not internationally recognized.
Description: A missing authorization vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow local authenticated users to access data or perform actions that they should not be allowed to perform via unspecified vectors.
QuTScloud, is not affected.
We have already fixed the vulnerability in the following versions:
QTS 5.2.0.2737 build 20240417 and later
QuTS hero h5.2.0.2782 build 20240601 and later
T1053.002 – At
1. Technical Attack Analysis:
– Attack Techniques:
– T1053.002 – Scheduled Task/Job: Cron: Attackers can exploit the missing authorization by scheduling tasks that allow them to perform unauthorized actions or access restricted data. This could include executing malicious scripts or commands that could compromise the integrity or confidentiality of the system.
– Possible Outcomes of Exploitation:
– Unauthorized access to sensitive data stored on the affected systems.
– Execution of unauthorized commands or scripts that could alter system configurations or data.
– Potential lateral movement within the environment if the attacker gains sufficient privileges.
– Data exfiltration or manipulation, leading to data loss or corruption.
– Decreased system performance or availability due to unauthorized resource consumption.
2. Mitigation Measures:
– Update to QTS 5.2.0.2737 build 20240417 or later.
– Update to QuTS hero h5.2.0.2782 build 20240601 or later.
– Implement strict access controls to limit user privileges.
– Conduct regular security audits and vulnerability assessments.
– Monitor system logs for unusual activity and access patterns.
– Educate users about the importance of secure authentication practices.
– Disable unnecessary services to reduce attack vectors.
– Utilize network segmentation to limit access to sensitive systems.
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