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    CVE-2017-7921

    An Improper Authentication issue was discovered in Hikvision DS-2CD2xx2F-I Series V5.2.0 build 140721 to V5.4.0 build 160530, DS-2CD2xx0F-I Series V5.2.0 build 140721 to V5.4.0 Build 160401, DS-2CD2xx2FWD Series V5.3.1 build 150410 to V5.4.4 Build 161125, DS-2CD4x2xFWD Series V5.2.0 build 140721 to V5.4.0 Build 160414, DS-2CD4xx5 Series V5.2.0 build 140721 to V5.4.0 Build 160421, DS-2DFx Series V5.2.0 build 140805 to V5.4.5 Build 160928, and DS-2CD63xx Series V5.0.9 build 140305 to V5.3.5 Build 160106 devices. The improper authentication vulnerability occurs when an application does not adequately or correctly authenticate users. This may allow a malicious user to escalate his or her privileges on the system and gain access to sensitive information.

    Published:May 6, 2017
    Last Modified:Apr 22, 2026
    EPS:May 6, 2017
    EPSS Score:0.9423
    CVSS Score:9.8

    CISA Notification

    Description

    An Improper Authentication issue was discovered in Hikvision DS-2CD2xx2F-I Series V5.2.0 build 140721 to V5.4.0 build 160530, DS-2CD2xx0F-I Series V5.2.0 build 140721 to V5.4.0 Build 160401, DS-2CD2xx2FWD Series V5.3.1 build 150410 to V5.4.4 Build 161125, DS-2CD4x2xFWD Series V5.2.0 build 140721 to V5.4.0 Build 160414, DS-2CD4xx5 Series V5.2.0 build 140721 to V5.4.0 Build 160421, DS-2DFx Series V5.2.0 build 140805 to V5.4.5 Build 160928, and DS-2CD63xx Series V5.0.9 build 140305 to V5.3.5 Build 160106 devices. The improper authentication vulnerability occurs when an application does not adequately or correctly authenticate users. This may allow a malicious user to escalate his or her privileges on the system and gain access to sensitive information.

    Required Action:

    Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

    Notes:

    No extra notes provided.

    Due Date
    Mar 26, 2026
    169 days ago
    Alert Date
    Mar 5, 2026
    190 days ago

    Affected Products

    Vendor
    Hikvision
    Product
    Ds-2cd2032-i
    Vendor
    Hikvision
    Product
    Ds-2cd2032-i Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd2112-i
    Vendor
    Hikvision
    Product
    Ds-2cd2112-i Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd2132-i
    Vendor
    Hikvision
    Product
    Ds-2cd2132-i Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd2212-i5
    Vendor
    Hikvision
    Product
    Ds-2cd2212-i5 Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd2232-i5
    Vendor
    Hikvision
    Product
    Ds-2cd2232-i5 Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd2312-i
    Vendor
    Hikvision
    Product
    Ds-2cd2312-i Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd2332-i
    Vendor
    Hikvision
    Product
    Ds-2cd2332-i Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd2412f-i\(w\)
    Vendor
    Hikvision
    Product
    Ds-2cd2412f-i\(w\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd2432f-i\(w\)
    Vendor
    Hikvision
    Product
    Ds-2cd2432f-i\(w\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd2512f-i\(s\)
    Vendor
    Hikvision
    Product
    Ds-2cd2512f-i\(s\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd2532f-i\(s\)
    Vendor
    Hikvision
    Product
    Ds-2cd2532f-i\(s\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd2612f-i\(s\)
    Vendor
    Hikvision
    Product
    Ds-2cd2612f-i\(s\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd2632f-i\(s\)
    Vendor
    Hikvision
    Product
    Ds-2cd2632f-i\(s\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd2712f-i\(s\)
    Vendor
    Hikvision
    Product
    Ds-2cd2712f-i\(s\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd2732f-i\(s\)
    Vendor
    Hikvision
    Product
    Ds-2cd2732f-i\(s\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd2t32-i3
    Vendor
    Hikvision
    Product
    Ds-2cd2t32-i3 Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd2t32-i5
    Vendor
    Hikvision
    Product
    Ds-2cd2t32-i5 Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd2t32-i8
    Vendor
    Hikvision
    Product
    Ds-2cd2t32-i8 Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4012f-\(a\)
    Vendor
    Hikvision
    Product
    Ds-2cd4012f-\(a\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4012f-\(p\)
    Vendor
    Hikvision
    Product
    Ds-2cd4012f-\(p\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4012f-\(w\)
    Vendor
    Hikvision
    Product
    Ds-2cd4012f-\(w\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4012fwd-\(a\)
    Vendor
    Hikvision
    Product
    Ds-2cd4012fwd-\(a\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4012fwd-\(p\)
    Vendor
    Hikvision
    Product
    Ds-2cd4012fwd-\(p\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4012fwd-\(w\)
    Vendor
    Hikvision
    Product
    Ds-2cd4012fwd-\(w\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4024f-\(a\)
    Vendor
    Hikvision
    Product
    Ds-2cd4024f-\(a\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4024f-\(p\)
    Vendor
    Hikvision
    Product
    Ds-2cd4024f-\(p\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4024f-\(w\)
    Vendor
    Hikvision
    Product
    Ds-2cd4024f-\(w\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4032fwd-\(a\)
    Vendor
    Hikvision
    Product
    Ds-2cd4032fwd-\(a\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4032fwd-\(p\)
    Vendor
    Hikvision
    Product
    Ds-2cd4032fwd-\(p\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4032fwd-\(w\)
    Vendor
    Hikvision
    Product
    Ds-2cd4032fwd-\(w\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4112f-i\(z\)
    Vendor
    Hikvision
    Product
    Ds-2cd4112f-i\(z\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4112fwd-i\(z\)
    Vendor
    Hikvision
    Product
    Ds-2cd4112fwd-i\(z\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4124f-i\(z\)
    Vendor
    Hikvision
    Product
    Ds-2cd4124f-i\(z\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4132fwd-i\(z\)
    Vendor
    Hikvision
    Product
    Ds-2cd4132fwd-i\(z\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4212f-i\(h\)
    Vendor
    Hikvision
    Product
    Ds-2cd4212f-i\(h\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4212f-i\(s\)
    Vendor
    Hikvision
    Product
    Ds-2cd4212f-i\(s\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4212f-i\(z\)
    Vendor
    Hikvision
    Product
    Ds-2cd4212f-i\(z\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4212fwd-i\(h\)
    Vendor
    Hikvision
    Product
    Ds-2cd4212fwd-i\(h\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4212fwd-i\(s\)
    Vendor
    Hikvision
    Product
    Ds-2cd4212fwd-i\(s\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4212fwd-i\(z\)
    Vendor
    Hikvision
    Product
    Ds-2cd4212fwd-i\(z\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4224f-i\(h\)
    Vendor
    Hikvision
    Product
    Ds-2cd4224f-i\(h\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4224f-i\(s\)
    Vendor
    Hikvision
    Product
    Ds-2cd4224f-i\(s\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4224f-i\(z\)
    Vendor
    Hikvision
    Product
    Ds-2cd4224f-i\(z\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4232fwd-i\(h\)
    Vendor
    Hikvision
    Product
    Ds-2cd4232fwd-i\(h\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4232fwd-i\(s\)
    Vendor
    Hikvision
    Product
    Ds-2cd4232fwd-i\(s\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4232fwd-i\(z\)
    Vendor
    Hikvision
    Product
    Ds-2cd4232fwd-i\(z\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4312f-i\(h\)
    Vendor
    Hikvision
    Product
    Ds-2cd4312f-i\(h\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4312f-i\(s\)
    Vendor
    Hikvision
    Product
    Ds-2cd4312f-i\(s\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4312f-i\(z\)
    Vendor
    Hikvision
    Product
    Ds-2cd4312f-i\(z\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4324f-i\(h\)
    Vendor
    Hikvision
    Product
    Ds-2cd4324f-i\(h\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4324f-i\(s\)
    Vendor
    Hikvision
    Product
    Ds-2cd4324f-i\(s\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4324f-i\(z\)
    Vendor
    Hikvision
    Product
    Ds-2cd4324f-i\(z\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4332fwd-i\(h\)
    Vendor
    Hikvision
    Product
    Ds-2cd4332fwd-i\(h\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4332fwd-i\(s\)
    Vendor
    Hikvision
    Product
    Ds-2cd4332fwd-i\(s\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd4332fwd-i\(z\)
    Vendor
    Hikvision
    Product
    Ds-2cd4332fwd-i\(z\) Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd63xx Series
    Vendor
    Hikvision
    Product
    Ds-2cd63xx Series Firmware
    Vendor
    Hikvision
    Product
    Ds-2cd6412fwd
    Vendor
    Hikvision
    Product
    Ds-2cd6412fwd Firmware
    Vendor
    Hikvision
    Product
    Ds-2dfx Series
    Vendor
    Hikvision
    Product
    Ds-2dfx Series Firmware

    Exploits

    https://github.com/0xf3d0rq/CVE-2017-7921https://github.com/201646613/CVE-2017-7921https://github.com/aengussong/hikvision_probehttps://github.com/alkaid176/CVE-2017-7921https://github.com/AnonkiGroup/AnonHikhttps://github.com/b3pwn3d/CVE-2017-7921https://github.com/blacksheepstudio/CVE-2017-7921-EXPhttps://github.com/BurnyMcDull/CVE-2017-7921https://github.com/chrisjd20/hikvision_CVE-2017-7921_auth_bypass_config_decryptorhttps://github.com/f3d0rq/CVE-2017-7921https://github.com/GabrielAvls/CVE-2017-7921https://github.com/initon/Hikvision---CVE-2017-7921https://github.com/inj3ction/CVE-2017-7921-EXPhttps://github.com/JrDw0/CVE-2017-7921-EXPhttps://github.com/K3ysTr0K3R/CVE-2017-7921-EXPLOIThttps://github.com/KelvinWin10/CVE-2017-7921-rewritehttps://github.com/kooroshsanaei/HikVision-CVE-2017-7921https://github.com/krypton612/hikivisionhttps://github.com/lastvocher/Hikvision-CVE-2017-7921-decryptorhttps://github.com/MisakaMikato/cve-2017-7921-golanghttps://github.com/MK-ULTRA-project-monarch/CVE-2017-7921-Writeup-2026https://github.com/mverschu/CVE-2017-7921https://github.com/p4tq/hikvision_CVE-2017-7921_auth_bypass_config_decryptorhttps://github.com/saaydmr/hikvision-exploiterhttps://github.com/voidsshadows/Hikvision-City-Hunterhttps://github.com/Wyl-cmd/CVE-2017-7921-Research-Toolkithttps://github.com/xjghnxhlh/hikihackhttps://github.com/yousouf-Tasfin/cve-2017-7921-Mass-Exploit

    Common Weakness Enumeration

    CWE-287 Improper Authentication

    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