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    2 vulnerabilities found for ABP by ASUSTOR Inc.

    CVE-2026-18759 (GCVE-0-2026-18759)

    Vulnerability from nvd – Published: 2026-08-04 07:25 – Updated: 2026-08-04 13:33
    VLAI
    Title
    An improper authentication and path traversal vulnerability exists in ASUSTOR Backup Plan and ASUSTOR EZ Sync.
    Summary
    The background service of ABP or AES runs as NT AUTHORITY\SYSTEM and implements a file-based inter-process communication (IPC) mechanism protected by AES encryption. Because the encryption key file is readable by standard users and protected using DPAPI. Any authenticated local user can recover the key and forge valid IPC requests. Furthermore, the service does not check the identity of the requesting process and validates destination paths using an insufficient substring check. A local attacker can submit crafted encrypted requests containing directory traversal sequences to perform arbitrary file reads and arbitrary file writes as NT AUTHORITY\SYSTEM, leading to full local privilege escalation. Affected products and versions include: ABP (ASUSTOR Backup Plan) 2.0.7.10171 and earlier as well as AES (ASUSTOR EZSync) 1.1.1.3113 and earlier.
    Severity
    8.5 (High)
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-287 - Improper Authentication
    • CWE-269 - Improper Privilege Management
    Assigner
    References
    Impacted products
    Vendor Product Version
    ASUSTOR Inc. ABP Affected: ABP 2.0 , ≤ 2.0.7.10171 (custom)
    		Create a notification for this product.
    ASUSTOR Inc. AES Affected: AES 1.0 , ≤ 1.1.1.3113 (custom)
    		Create a notification for this product.
    Date Public
    2026-08-04 07:25
    Credits
    Kazuma Matsumoto, Security Researcher at GMO Cybersecurity by IERAE, Inc.
    Show details on NVD website
    To clipboard 

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    CVE-2026-18759 (GCVE-0-2026-18759)

    Vulnerability from cvelistv5 – Published: 2026-08-04 07:25 – Updated: 2026-08-04 13:33
    VLAI
    Title
    An improper authentication and path traversal vulnerability exists in ASUSTOR Backup Plan and ASUSTOR EZ Sync.
    Summary
    The background service of ABP or AES runs as NT AUTHORITY\SYSTEM and implements a file-based inter-process communication (IPC) mechanism protected by AES encryption. Because the encryption key file is readable by standard users and protected using DPAPI. Any authenticated local user can recover the key and forge valid IPC requests. Furthermore, the service does not check the identity of the requesting process and validates destination paths using an insufficient substring check. A local attacker can submit crafted encrypted requests containing directory traversal sequences to perform arbitrary file reads and arbitrary file writes as NT AUTHORITY\SYSTEM, leading to full local privilege escalation. Affected products and versions include: ABP (ASUSTOR Backup Plan) 2.0.7.10171 and earlier as well as AES (ASUSTOR EZSync) 1.1.1.3113 and earlier.
    Severity
    8.5 (High)
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-287 - Improper Authentication
    • CWE-269 - Improper Privilege Management
    Assigner
    References
    Impacted products
    Vendor Product Version
    ASUSTOR Inc. ABP Affected: ABP 2.0 , ≤ 2.0.7.10171 (custom)
    		Create a notification for this product.
    ASUSTOR Inc. AES Affected: AES 1.0 , ≤ 1.1.1.3113 (custom)
    		Create a notification for this product.
    Date Public
    2026-08-04 07:25
    Credits
    Kazuma Matsumoto, Security Researcher at GMO Cybersecurity by IERAE, Inc.
    Show details on NVD website
    To clipboard 

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