CVE-2025-36604 in Unity
Summary
by MITRE • 08/04/2025
Dell Unity, version(s) 5.5 and prior, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to arbitrary command execution.
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Analysis
by VulDB Data Team • 08/15/2025
This vulnerability exists within Dell Unity storage systems running version 5.5 or earlier, representing a critical OS command injection flaw that could enable remote code execution without authentication. The vulnerability stems from inadequate input validation and sanitization within the system's command processing mechanisms, allowing malicious actors to inject operating system commands through improperly neutralized user inputs. The affected components likely include web interfaces, API endpoints, or management interfaces that accept user-supplied parameters and directly incorporate them into system commands without proper escaping or filtering. This weakness creates a pathway for attackers to execute arbitrary commands on the underlying operating system with the privileges of the affected service account, potentially leading to complete system compromise and unauthorized data access.
The technical exploitation of this vulnerability follows the patterns described in CWE-77 and CWE-88, where special characters and command delimiters are not properly neutralized in input validation processes. Attackers could leverage this flaw by crafting malicious payloads that include command separators such as semicolons, ampersands, or pipe characters, which would be interpreted by the operating system as command terminators or operators. The vulnerability's impact extends beyond simple command execution to encompass potential privilege escalation, data exfiltration, and system persistence mechanisms. According to ATT&CK framework, this represents a command injection technique that maps to T1059.001, where adversaries execute commands on compromised systems. The unauthenticated nature of the exploit significantly increases the threat surface, as attackers do not require valid credentials to initiate the attack vector.
The operational impact of this vulnerability could be devastating for organizations relying on Dell Unity storage solutions, as it allows attackers to gain complete control over the storage array's operating system. Successful exploitation could result in unauthorized data access, data corruption, system downtime, and potential lateral movement within the network. Storage systems often contain sensitive organizational data and serve as critical infrastructure components, making this vulnerability particularly dangerous. The affected systems may also be used as launching points for further attacks against connected systems, potentially compromising entire network segments. Organizations with multiple Dell Unity appliances may face widespread impact if the vulnerability is exploited across their infrastructure, leading to extended recovery times and potential regulatory compliance issues.
Organizations should immediately implement mitigations including patching to versions beyond 5.5, network segmentation to limit access to storage management interfaces, and implementing web application firewalls to detect and block malicious command injection attempts. Input validation should be strengthened across all user-facing interfaces to properly escape or filter special characters before processing. Access controls should be reinforced to limit management interface access to authorized personnel only, and monitoring should be enhanced to detect unusual command execution patterns. Additionally, organizations should conduct thorough vulnerability assessments to identify any potential exploitation attempts and ensure proper network access controls are in place to prevent unauthorized remote access to storage management interfaces. Regular security audits and penetration testing should be performed to validate the effectiveness of implemented mitigations and identify any additional security gaps in the storage infrastructure.