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    CVE-2023-26258

    Arcserve UDP through 9.0.6034 allows authentication bypass. The method getVersionInfo at WebServiceImpl/services/FlashServiceImpl leaks the AuthUUID token. This token can be used at /WebServiceImpl/services/VirtualStandbyServiceImpl to obtain a valid session. This session can be used to execute any task as administrator.

    Published:Jul 3, 2023
    Last Modified:Nov 25, 2024
    EPS:Jul 3, 2023
    EPSS Score:0.88358
    CVSS Score:9.8

    Affected Products

    Vendor
    Arcserve
    Product
    Udp

    Exploits

    https://www.mdsec.co.uk/2023/06/cve-2023-26258-remote-code-execution-in-arcserve-udp-backup/https://www.mdsec.co.uk/2023/06/cve-2023-26258-remote-code-execution-in-arcserve-udp-backup/https://github.com/mdsecactivebreach/CVE-2023-26258-ArcServe

    Common Weakness Enumeration

    CWE-863 Incorrect Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-34520 (CVSS 7.7) — An authentication bypass vulnerability in Arcserve Unified Data Protection (UDP) allows unauthenticated attack…
    CVE-2025-34521 (CVSS 4.8) — A reflected cross-site scripting (XSS) vulnerability exists in the web interface of the Arcserve Unified Data …
    CVE-2025-34522 (CVSS 9.2) — A heap-based buffer overflow vulnerability exists in the input parsing logic of Arcserve Unified Data Protecti…
    CVE-2025-34523 (CVSS 9.2) — A heap-based buffer overflow vulnerability exists in the network-facing input handling routines of Arcserve Un…
    CVE-2024-0801 (CVSS 7.5) — A denial of service vulnerability exists in Arcserve Unified Data Protection 9.2 and 8.1 in ASNative.dll.…
    CVE-2024-0800 (CVSS 8.8) — A path traversal vulnerability exists in Arcserve Unified Data Protection 9.2 and 8.1 in edge-app-base-webui.j…
    CVE-2024-0799 (CVSS 9.8) — An authentication bypass vulnerability exists in Arcserve Unified Data Protection 9.2 and 8.1 in the edge-app-…
    CVE-2023-42000 (CVSS 9.8) — Arcserve UDP prior to 9.2 contains a path traversal vulnerability in com.ca.arcflash.ui.server.servlet.FileHan…
    CVE-2023-41999 (CVSS 9.8) — An authentication bypass exists in Arcserve UDP prior to version 9.2. An unauthenticated, remote attacker can …
    CVE-2023-41998 (CVSS 9.8) — Arcserve UDP prior to 9.2 contained a vulnerability in the com.ca.arcflash.rps.webservice.RPSService4CPMImpl i…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High