一、 漏洞 CVE-2017-7921 基础信息
漏洞信息
# 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。
备注
尽管我们采用了先进的大模型技术，但其输出仍可能包含不准确或过时的信息。
神龙会尽力确保数据准确，但也请结合实际情况进行甄别与判断。
神龙祝您一切顺利！
漏洞标题
N/A
来源：美国国家漏洞数据库 NVD
漏洞描述信息
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.
来源：美国国家漏洞数据库 NVD
CVSS信息
N/A
来源：美国国家漏洞数据库 NVD
漏洞类别
认证机制不恰当
来源：美国国家漏洞数据库 NVD
漏洞标题
多款Hikvision产品安全漏洞
来源：中国国家信息安全漏洞库 CNNVD
漏洞描述信息
Hikvision DS-2CD2xx2F-I Series等都是中国海康威视（Hikvision）公司的网络摄像头产品。 多款Hikvision产品中存在身份验证漏洞。攻击者可利用该漏洞提升权限，获取敏感信息的访问权限。以下产品和版本受到影响：Hikvision DS-2CD2xx2F-I Series 5.2.0 build 140721版本至5.4.0 build 160530版本；DS-2CD2xx0F-I Series 5.2.0 build 140721版本至5.4.0 Build 16040
来源：中国国家信息安全漏洞库 CNNVD
CVSS信息
N/A
来源：中国国家信息安全漏洞库 CNNVD
漏洞类别
授权问题
来源：中国国家信息安全漏洞库 CNNVD
二、漏洞 CVE-2017-7921 的公开POC
# 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
三、漏洞 CVE-2017-7921 的情报信息