CVE-2025-48501 in Backup and Recovery
Summary
by MITRE • 07/07/2025
An OS command injection issue exists in Nimesa Backup and Recovery v2.3 and v2.4. If this vulnerability is exploited, an arbitrary OS commands may be executed on the server where the product is running.
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Analysis
by VulDB Data Team • 07/07/2025
The vulnerability identified as CVE-2025-48501 represents a critical operating system command injection flaw within Nimesa Backup and Recovery software versions 2.3 and 2.4. This security weakness allows attackers to execute arbitrary operating system commands on the target server where the vulnerable application is installed. The flaw stems from insufficient input validation and sanitization mechanisms within the application's processing of user-supplied data that is subsequently passed to system execution functions. Such command injection vulnerabilities are particularly dangerous because they can enable attackers to gain full control over the affected system, potentially leading to data breaches, system compromise, or further lateral movement within network environments.
The technical implementation of this vulnerability occurs when the application fails to properly validate or escape user input before incorporating it into system commands. Attackers can exploit this weakness by crafting malicious input that, when processed by the vulnerable software, gets interpreted as legitimate system commands rather than data. This typically happens when the application uses functions like system(), exec(), or similar execution mechanisms without adequate sanitization of input parameters. The vulnerability aligns with CWE-77 which specifically addresses command injection flaws, and it can be categorized under the broader ATT&CK technique T1059.001 for command and scripting interpreter. The impact extends beyond simple command execution to encompass potential privilege escalation, data exfiltration, and persistence mechanisms that attackers can leverage to maintain access to compromised systems.
The operational consequences of exploiting CVE-2025-48501 are severe and multifaceted. Organizations running affected Nimesa Backup and Recovery versions face immediate risks including unauthorized access to backup data, potential data loss or corruption, and complete system compromise. The vulnerability can be exploited remotely if the affected application is exposed to untrusted networks, making it particularly dangerous for backup solutions that often contain sensitive organizational data. Attackers can use this vulnerability to execute malicious commands such as creating backdoors, establishing persistent access, or even installing additional malware on the compromised server. The impact is particularly concerning for backup systems since they often run with elevated privileges and may contain critical system information that can be leveraged for further attacks within the network infrastructure.
Organizations should implement immediate mitigations including updating to patched versions of Nimesa Backup and Recovery software, applying the vendor-provided security patches, and implementing network segmentation to limit access to affected systems. Additional defensive measures include input validation and sanitization at all application layers, implementing proper access controls, and monitoring for suspicious command execution patterns. The vulnerability demonstrates the critical importance of secure coding practices and input validation, particularly in applications that interact with system-level functions. Organizations should also consider implementing web application firewalls and intrusion detection systems to help identify and block exploitation attempts. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other applications and systems within the organization's infrastructure.