# CVE-2017-7921: Hikvision Multiple Products Improper Authentication Vulnerability

> CVE-2017-7921: Hikvision Multiple Products Improper Authentication Vulnerability. CVSS 9.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2017-7921
Last updated: 2026-06-17T01:25:28Z

- Published: 2017-05-06 00:00 UTC · Updated: 2026-06-17 01:25 UTC · Assigner: icscert
- CVSS: 9.8 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS: 100.0%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2026-03-05, federal due date 2026-03-26, ransomware use: Unknown
- CWE: CWE-287

## 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.

## CISA 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.

## Affected vendors and products

- n/a: Hikvision Cameras

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2017-7921)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2017-7921)
- [https://ghostbin.com/paste/q2vq2](https://ghostbin.com/paste/q2vq2)
- [https://ics-cert.us-cert.gov/advisories/ICSA-17-124-01](https://ics-cert.us-cert.gov/advisories/ICSA-17-124-01)
- [http://www.hikvision.com/us/about\_10805.html](http://www.hikvision.com/us/about_10805.html)
- [http://www.securityfocus.com/bid/98313](http://www.securityfocus.com/bid/98313)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2017-7921 · Markdown: https://rewindex.com/cve/CVE-2017-7921.md · JSON: https://rewindex.com/api/v1/cves/CVE-2017-7921 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T01:58:49.768Z