CVE-2025-30416 is a critical security vulnerability classified under CWE-862 (Missing Authorization) affecting Acronis Cyber Protect 16 and 15 on both Linux and Windows platforms. The vulnerability arises from the software's failure to enforce proper authorization checks, allowing unauthenticated attackers to access and manipulate sensitive data arbitrarily. This lack of authorization bypass means that attackers can remotely exploit the flaw without any privileges or user interaction, leading to complete compromise of confidentiality, integrity, and availability of the affected systems. The CVSS v3.0 base score of 10.0 reflects the highest severity, indicating network attack vector, low attack complexity, no privileges required, no user interaction, and a scope change affecting multiple components. Although no public exploits have been reported yet, the vulnerability's characteristics make it a prime target for attackers aiming to gain unauthorized access to backup and cybersecurity management data, potentially disrupting business continuity and exposing critical information. The affected versions are prior to build 39938 for Cyber Protect 16 and prior to build 41800 for Cyber Protect 15. The absence of available patches at the time of reporting necessitates immediate risk mitigation strategies to protect organizational assets.

The impact of CVE-2025-30416 is severe and multifaceted. Organizations relying on Acronis Cyber Protect 16 and 15 for backup and cybersecurity management face risks of unauthorized data disclosure, manipulation, and potential service disruption. Attackers exploiting this vulnerability can gain full control over sensitive backup data and security configurations, leading to data breaches, ransomware deployment, or sabotage of backup integrity. This can result in significant operational downtime, loss of critical data, regulatory non-compliance, and reputational damage. The vulnerability's ease of exploitation without authentication or user interaction broadens the attack surface, increasing the likelihood of widespread compromise. Enterprises in sectors such as finance, healthcare, government, and critical infrastructure, which often use Acronis solutions, are particularly vulnerable to targeted attacks leveraging this flaw.

Until official patches are released, organizations should implement several targeted mitigation measures: 1) Restrict network access to Acronis Cyber Protect management interfaces using firewalls and VPNs to limit exposure to trusted administrators only. 2) Employ strict network segmentation to isolate backup servers from general user networks and the internet. 3) Monitor logs and network traffic for unusual access patterns or unauthorized attempts to interact with Acronis services. 4) Enforce multi-factor authentication and strong access controls on administrative accounts to reduce risk if attackers gain initial footholds. 5) Regularly back up critical data offline or to isolated environments to ensure recovery capability in case of compromise. 6) Stay informed on vendor advisories and apply patches immediately once available. 7) Conduct penetration testing and vulnerability assessments focused on backup infrastructure to identify and remediate additional weaknesses.