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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...

Basic Information

CVE State
PUBLISHED
Reserved Date
April 18, 2017
Published Date
May 06, 2017
Last Updated
December 27, 2024
Vendor
Hikvision
Product
Hikvision Cameras
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.
Tags
nuclei_scanner

CVSS Scores

CVSS v3.0

10.0 - CRITICAL

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0

7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS Score

Score
94.15% (Percentile: 99.90%) as of 2025-06-02

Exploit Status

Exploited in the Wild
Yes (2025-05-05 00:00:00 UTC) Source

References

https://ics-cert.us-cert.gov/advisories/ICSA-17-124-01 http://www.securityfocus.com/bid/98313 https://ghostbin.com/paste/q2vq2 http://www.hikvision.com/us/about_10805.html

Known Exploited Vulnerability Information

Source Added Date
The Shadowserver (via CIRCL) 2025-05-05 00:00:00 UTC

Scanner Integrations

Scanner URL Date Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2017/CVE-2017-7921.yaml 2025-04-26 00:00:00 UTC

Potential Proof of Concepts

Warning: These PoCs have not been tested and could contain malware. Use at your own risk.

kooroshsanaei/HikVision-CVE-2017-7921

Type: github • Created: 2024-07-02 11:47:35 UTC • Stars: 5

Test For CVE-2017–7921;

b3pwn3d/CVE-2017-7921

Type: github • Created: 2023-11-20 18:44:13 UTC • Stars: 0

fracergu/CVE-2017-7921

Type: github • Created: 2023-08-27 17:29:48 UTC • Stars: 1

CVE-2017-7921 exploit. Allows admin password retrieval and automatic snapshot download.

K3ysTr0K3R/CVE-2017-7921-EXPLOIT

Type: github • Created: 2023-07-24 14:48:38 UTC • Stars: 21

A PoC exploit for CVE-2017-7921 - Hikvision Camera Series Improper Authentication Vulnerability.

inj3ction/CVE-2017-7921-EXP

Type: github • Created: 2022-10-19 13:48:49 UTC • Stars: 0

201646613/CVE-2017-7921

Type: github • Created: 2022-07-20 07:07:07 UTC • Stars: 6

CVE-2017-7921-EXP Hikvision camera

p4tq/hikvision_CVE-2017-7921_auth_bypass_config_decryptor

Type: github • Created: 2022-06-15 03:49:05 UTC • Stars: 0

chrisjd20/hikvision_CVE-2017-7921_auth_bypass_config_decryptor

Type: github • Created: 2021-01-29 16:08:35 UTC • Stars: 102

This python file will decrypt the configurationFile used by hikvision cameras vulnerable to CVE-2017-7921.

BurnyMcDull/CVE-2017-7921

Type: github • Created: 2020-11-12 09:02:10 UTC • Stars: 36

海康威视未授权访问检测poc及口令爆破

JrDw0/CVE-2017-7921-EXP

Type: github • Created: 2020-04-27 11:49:40 UTC • Stars: 90

Hikvision camera CVE-2017-7921-EXP

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Detected by Nuclei

  • Added to KEVIntel