CVE-2017-7921: Hikvision Multiple Products Improper Authentication Vulnerability
Reference page built from the source records below, each shown as its source publishes it. Dataset version ref-1df5dde77687, updated 2026-11-02T23:39:54.475Z.
CISA Known Exploited Vulnerabilities
- Name
- Hikvision Multiple Products Improper Authentication Vulnerability
- Vendor
- Hikvision
- Product
- Multiple Products
- Added to the catalog
- 2026-03-05
- Due date for US federal agencies
- 2026-03-26
- Weaknesses
- CWE-287
- Catalog version
- 2026.10.30
Multiple Hikvision products contain an improper authentication vulnerability that could allow a malicious user to escalate privileges on the system and gain access to sensitive information.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Ransomware use: CISA does not mark known use of this vulnerability in ransomware campaigns.
Links in CISA's notes
- https://www.hikvision.com/us-en/support/document-center/special-notices/privilege-escalating-vulnerability-in-certain-hikvision-ip-cameras/
- https://nvd.nist.gov/vuln/detail/CVE-2017-7921
Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json
NVD analysis
- Status
- Analyzed
- Published
- 2017-05-06T00:29:00.350
- Last modified
- 2026-06-17T01:25:28.927
- Weaknesses
- CWE-287
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.
| Metric | Score | Severity | Vector | Scored by |
|---|---|---|---|---|
| CVSS 3.1 | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | [email protected] (Primary) |
| CVSS 3.1 | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
| CVSS 2.0 | 7.5 | HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P | [email protected] (Primary) |
References
- http://www.hikvision.com/us/about_10805.html (Patch, Vendor Advisory)
- http://www.securityfocus.com/bid/98313 (Broken Link, Third Party Advisory, VDB Entry)
- https://ghostbin.com/paste/q2vq2 (Broken Link)
- https://ics-cert.us-cert.gov/advisories/ICSA-17-124-01 (Third Party Advisory, US Government Resource)
- http://www.hikvision.com/us/about_10805.html (Patch, Vendor Advisory)
- http://www.securityfocus.com/bid/98313 (Broken Link, Third Party Advisory, VDB Entry)
- https://ghostbin.com/paste/q2vq2 (Broken Link)
- https://ics-cert.us-cert.gov/advisories/ICSA-17-124-01 (Third Party Advisory, US Government Resource)
- https://www.hikvision.com/cn/support/CybersecurityCenter/SecurityNotices/20170314/ (Third Party Advisory)
- https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-notification--privilege-escalating-vulnerability-in-cer/ (Third Party Advisory)
- https://www.hikvision.com/us-en/support/document-center/special-notices/privilege-escalating-vulnerability-in-certain-hikvision-ip-cameras/ (Third Party Advisory)
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-7921 (US Government Resource)
This product uses the NVD API but is not endorsed or certified by the NVD.
Read on 2026-11-02T23:41:35.381Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2017-7921
CVE record
- Assigner
- icscert
- State
- PUBLISHED
- Published
- 2017-05-06T00:00:00.000Z
- Updated
- 2026-03-06T05:01:18.718Z
- Problem types
- CWE-287
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.
References
- https://ics-cert.us-cert.gov/advisories/ICSA-17-124-01
- 98313
- https://ghostbin.com/paste/q2vq2
- http://www.hikvision.com/us/about_10805.html
Read on 2026-11-03T00:35:35.271Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2017/7xxx/CVE-2017-7921.json
Defensive techniques (MITRE D3FEND)
D3FEND maps these defensive techniques to the weakness (CWE) that NVD lists for this CVE, through the digital artifacts the weakness affects. D3FEND does not say they stop this vulnerability.
CWE-287: Improper Authentication
- Harden: Credential Scrubbing (acts on Subroutine)
- Model: Software Inventory (acts on Software)
- Isolate: User Account Permissions (acts on User Account)
- Harden: Domain Logic Validation (acts on Subroutine)
- Restore: Unlock Account (acts on User Account)
- Harden: Trusted Library (acts on Subroutine)
- Harden: Agent Authentication (acts on User Account)
- Restore: Restore User Account Access (acts on User Account)
- Model: Asset Vulnerability Enumeration (acts on Software)
- Isolate: Application-based Process Isolation (acts on Subroutine)
- Harden: Change Default Password (acts on User Account)
- Restore: Restore Software (acts on Software)
- Harden: Variable Initialization (acts on Subroutine)
- Harden: Software Update (acts on Software)
- Model: Access Modeling (acts on User Account)
- Evict: Account Locking (acts on User Account)
D3FEND ontology version 1.6.0.
Read on 2026-11-02T23:55:44.276Z under licence d3fend-terms-of-use@f98cbc7e from https://d3fend.mitre.org/api/weakness/cwe/CWE-287.json
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Sources and licences
CISA
Source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30, CC0 1.0. Use of this data does not imply endorsement by CISA or DHS.
National Vulnerability Database (NIST)
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NVD API Terms of Use (NIST publications in the public domain, 17 U.S.C. 105)
CVE Program, The MITRE Corporation
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MITRE D3FEND
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"The MITRE Corporation (MITRE) hereby grants you a non-exclusive, royalty-free license to use D3FEND for research, development, and commercial purposes. Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." Terms: https://d3fend.mitre.org/tou/MITRE D3FEND Terms of Use (site + knowledge graph); source repo MIT
Cite this page
Dragons Eye Ransomware Tracker, "CVE-2017-7921: Hikvision Multiple Products Improper Authentication Vulnerability",
entity page, dataset version ref-1df5dde77687, updated 2026-11-02T23:39:54.475Z,
https://ransomware-tracker.com/cve/CVE-2017-7921 (accessed 2026-11-03).
Underlying source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30.
Underlying source: National Vulnerability Database (NIST), CVE API 2.0, record last modified 2026-06-17T01:25:28.927.
Underlying source: CVE List (CVE Program, The MITRE Corporation), record updated 2026-03-06T05:01:18.718Z.
Underlying source: MITRE D3FEND, ontology version 1.6.0.
Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.