# N/A
## 漏洞概述
Hikvision多个系列设备存在身份验证不当的漏洞，这可能导致恶意用户提升权限并访问敏感信息。
## 影响版本
- DS-2CD2xx2F-I Series: V5.2.0 build 140721至V5.4.0 build 160530
- DS-2CD2xx0F-I Series: V5.2.0 build 140721至V5.4.0 Build 160401
- DS-2CD2xx2FWD Series: V5.3.1 build 150410至V5.4.4 Build 161125
- DS-2CD4x2xFWD Series: V5.2.0 build 140721至V5.4.0 Build 160414
- DS-2CD4xx5 Series: V5.2.0 build 140721至V5.4.0 Build 160421
- DS-2DFx Series: V5.2.0 build 140805至V5.4.5 Build 160928
- DS-2CD63xx Series: V5.0.9 build 140305至V5.3.5 Build 160106
## 漏洞细节
该漏洞存在于应用未能充分或正确验证用户身份的情况下，导致身份验证不当。
## 影响
恶意用户可以利用该漏洞提升自身在系统中的权限，并访问敏感信息。
| # | POC 描述 | 源链接 | 神龙链接 |
|---|---|---|---|
| 1 | Hikvision camera CVE-2017-7921-EXP | https://github.com/JrDw0/CVE-2017-7921-EXP | POC详情 |
| 2 | 海康威视未授权访问检测poc及口令爆破 | https://github.com/BurnyMcDull/CVE-2017-7921 | POC详情 |
| 3 | Hikvision IP camera access bypass exploit, developed by golang. | https://github.com/MisakaMikato/cve-2017-7921-golang | POC详情 |
| 4 | This python file will decrypt the configurationFile used by hikvision cameras vulnerable to CVE-2017-7921. | https://github.com/chrisjd20/hikvision_CVE-2017-7921_auth_bypass_config_decryptor | POC详情 |
| 5 | None | https://github.com/p4tq/hikvision_CVE-2017-7921_auth_bypass_config_decryptor | POC详情 |
| 6 | CVE-2017-7921-EXP Hikvision camera | https://github.com/201646613/CVE-2017-7921 | POC详情 |
| 7 | None | https://github.com/inj3ction/CVE-2017-7921-EXP | POC详情 |
| 8 | CVE-2017-7921 EXPLOIT | https://github.com/krypton612/hikivision | POC详情 |
| 9 | A PoC exploit for CVE-2017-7921 - Hikvision Camera Series Improper Authentication Vulnerability. | https://github.com/K3ysTr0K3R/CVE-2017-7921-EXPLOIT | POC详情 |
| 10 | CVE-2017-7921 exploit. Allows admin password retrieval and automatic snapshot download. | https://github.com/fracergu/CVE-2017-7921 | POC详情 |
| 11 | Python script get image from Hikvision camera with CVE-2017-7921 vulnerability | https://github.com/AnonkiGroup/AnonHik | POC详情 |
| 12 | None | https://github.com/b3pwn3d/CVE-2017-7921 | POC详情 |
| 13 | None | https://github.com/yousouf-Tasfin/cve-2017-7921-Mass-Exploit | POC详情 |
| 14 | Test For CVE-2017–7921; | https://github.com/kooroshsanaei/HikVision-CVE-2017-7921 | POC详情 |
| 15 | Identify hikvision ip and probe for cve-s (CVE-2017-7921, CVE-2022-28171, CVE-2021-36260) | https://github.com/aengussong/hikvision_probe | POC详情 |
| 16 | CVE-2017-7921复现解密文件分享 免费下载 | https://github.com/andychao/CVE-2017-7921_reproduces_decrypted_file_sharing | POC详情 |
| 17 | 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 contain an improper authentication issue. 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. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2017/CVE-2017-7921.yaml | POC详情 |
| 18 | CVE-2017-7921 exploit. Allows admin password retrieval and automatic snapshot download. | https://github.com/GabrielAvls/CVE-2017-7921 | POC详情 |
| 19 | Проверка на уязвимость камер Hikvision - CVE-2017-7921 | https://github.com/initon/Hikvision---CVE-2017-7921 | POC详情 |
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