CVE-2026-49815 in PowerProtect Data Domain
Summary
by MITRE • 07/03/2026
Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.7, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, LTS2024 release versions 7.13.1.0 through 7.13.1.70 contain an improper neutralization of special Elements used in an OS command ('OS command Injection') vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to execution of arbitrary OS commands.
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Analysis
by VulDB Data Team • 07/05/2026
The Dell PowerProtect Data Domain systems present a critical operating system command injection vulnerability that stems from inadequate sanitization of user-supplied input before executing system commands. This flaw exists within the software's handling of special characters and command sequences that should be properly neutralized to prevent unauthorized execution of operating system instructions. The vulnerability affects multiple release versions spanning from 7.7.1.0 through 8.7, with specific LTS releases including 8.6.1.0 through 8.6.1.10 and 8.3.1.0 through 8.3.1.30, indicating a persistent issue across several software iterations. The flaw enables a high-privileged attacker who has remote access to potentially execute arbitrary operating system commands on the affected systems.
This vulnerability directly corresponds to CWE-78, which specifically addresses improper neutralization of special elements used in operating system commands. The attack vector requires an authenticated high-privilege user with remote access capabilities, suggesting that the exploitation pathway involves either legitimate administrative access or a compromised administrative account. The security implications extend beyond simple command execution as this vulnerability could enable attackers to escalate privileges, access sensitive data, modify system configurations, or potentially establish persistent backdoors within the Data Domain environment.
The operational impact of this vulnerability is severe and multifaceted for organizations relying on Dell PowerProtect Data Domain systems for data protection and backup operations. An attacker exploiting this command injection flaw could gain complete control over the affected systems, potentially leading to data exfiltration, system compromise, or disruption of critical backup operations that organizations depend upon for business continuity. The vulnerability's presence across multiple LTS releases indicates that organizations may be exposed across different support cycles, complicating remediation efforts and increasing the window of potential exploitation.
Organizations should immediately implement mitigations including applying the latest security patches from Dell, implementing network segmentation to limit remote access to these systems, and enforcing strict access controls with principle of least privilege. The ATT&CK framework categorizes this vulnerability under T1059.001 for command and scripting interpreter, representing a common attack pattern where adversaries use legitimate system tools to execute malicious commands. Additional defensive measures should include monitoring for unusual command execution patterns, implementing web application firewalls where applicable, and conducting thorough security assessments of the Data Domain environments to identify potential exploitation attempts.