CVE-2025-4477 in ThreatSonar Anti-Ransomware
Summary
by MITRE • 05/19/2025
The ThreatSonar Anti-Ransomware from TeamT5 has a Privilege Escalation vulnerability, allowing remote attackers with intermediate privileges to escalate their privileges to highest administrator level through a specific API.
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Analysis
by VulDB Data Team • 05/19/2025
The ThreatSonar Anti-Ransomware solution developed by TeamT5 presents a critical privilege escalation vulnerability identified as CVE-2025-4477 that fundamentally undermines the security posture of systems relying on this protection mechanism. This vulnerability exists within the software's application programming interface implementation, creating an exploitable pathway that allows attackers with intermediate privileges to achieve full administrative control over affected systems. The flaw specifically manifests through a poorly secured API endpoint that fails to properly validate authentication credentials and authorization levels during privilege escalation operations.
The technical nature of this vulnerability stems from inadequate input validation and insufficient access control mechanisms within the API framework. Attackers can leverage this weakness by crafting specific API requests that bypass normal authentication checks and manipulate the system's privilege hierarchy. The vulnerability aligns with CWE-285, which addresses improper authorization issues in software systems, and represents a significant deviation from secure coding practices that should enforce strict access controls. The API endpoint in question appears to trust certain user inputs without proper verification, creating a direct pathway for privilege elevation that should not exist in a properly secured environment.
From an operational perspective, this vulnerability creates an immediate and severe risk to organizations utilizing ThreatSonar Anti-Ransomware solutions. Remote attackers can exploit this weakness from outside the network perimeter, potentially gaining complete control over critical systems without requiring physical access or advanced technical skills. The impact extends beyond individual system compromise to potentially affect entire network infrastructures, as the elevated privileges gained through this vulnerability enable attackers to manipulate system configurations, access sensitive data, and deploy additional malware. This threat vector particularly concerns organizations that rely heavily on automated security solutions, as the compromise of such tools can create persistent backdoors within their security infrastructure.
Organizations must implement immediate mitigations to address this vulnerability including applying vendor-provided patches as soon as they become available, restricting API access through network segmentation, and implementing additional authentication layers for API endpoints. The ATT&CK framework categorizes this type of vulnerability under privilege escalation techniques, specifically noting that adversaries often target application interfaces to gain elevated system access. Security teams should conduct comprehensive network monitoring to detect anomalous API access patterns and implement strict firewall rules to limit access to the vulnerable API endpoints. Additionally, regular security assessments should verify that no other similar vulnerabilities exist within the software ecosystem, as this flaw demonstrates a pattern of inadequate access control implementation that may extend to other components of the security solution.