CVE-2022-49036 in Active Backup for Business Recovery Media Creator
Summary
by MITRE • 06/03/2026
An inclusion of functionality from untrusted control sphere vulnerability in OpenSSL configuration in Synology Active Backup for Business Recovery Media Creator before 2.5.0-2081 allows local users to execute arbitrary code via unspecified vectors.
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Analysis
by VulDB Data Team • 06/03/2026
This vulnerability represents a critical security flaw in Synology Active Backup for Business Recovery Media Creator version 2.5.0-2081 and earlier, where the software incorporates functionality from untrusted control spheres during its OpenSSL configuration process. The issue stems from improper handling of external dependencies that should normally be validated and controlled before being integrated into the system's security framework. This allows local attackers to potentially exploit the system through unspecified attack vectors that leverage the compromised OpenSSL configuration.
The technical implementation of this vulnerability occurs when the Recovery Media Creator component processes OpenSSL configurations that include external elements from untrusted sources. This creates a pathway for code execution through the manipulation of the configuration process, where the system fails to properly validate or sanitize inputs from external control spheres. The flaw specifically affects the OpenSSL library integration phase, where trusted security parameters become compromised through the inclusion of unverified external components.
From an operational perspective, this vulnerability presents a significant risk to organizations using Synology Active Backup for Business solutions, as local users with access to the system can potentially escalate privileges and execute arbitrary code. The impact extends beyond simple code execution to encompass potential data compromise, system takeover, and unauthorized access to backup infrastructure. Attackers could leverage this vulnerability to gain elevated privileges and establish persistent access within the backup environment, particularly affecting the integrity of backup operations and data protection mechanisms.
The vulnerability aligns with CWE-497, which addresses the exposure of sensitive system information to an unauthorized actor, and may also relate to CWE-94 when it involves the execution of arbitrary code through improper input handling. From an ATT&CK framework perspective, this vulnerability maps to T1059.001 for command and script injection techniques, and potentially T1068 for local privilege escalation. Organizations should immediately update to Synology Active Backup for Business Recovery Media Creator version 2.5.0-2081 or later, which includes patches addressing the untrusted control sphere inclusion issue. Additional mitigations include restricting local user access to the system, implementing network segmentation, and monitoring for unusual code execution patterns in backup environments. Security teams should also conduct thorough vulnerability assessments of other Synology components that may utilize similar OpenSSL configuration processes to prevent similar issues in the broader ecosystem.