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…
Browse: All 2017 CVEs · All vendors
- CVSS score
- 9.8 Critical
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- CISA KEV
- Yes — actively exploited (added 2026-03-05, remediation due 2026-03-26)
- Weakness (CWE)
- CWE-287
- Published
- 2017-05-06
- Last modified
- 2026-06-17
- NVD status
- Analyzed
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.
Affected products
- hikvision ds-2cd2032-i firmware
- hikvision ds-2cd2112-i firmware
- hikvision ds-2cd2132-i firmware
- hikvision ds-2cd2212-i5 firmware
- hikvision ds-2cd2232-i5 firmware
- hikvision ds-2cd2312-i firmware
- hikvision ds-2cd2332-i firmware
- hikvision ds-2cd2412f-i\(w\) firmware
- hikvision ds-2cd2432f-i\(w\) firmware
- hikvision ds-2cd2512f-i\(s\) firmware
- hikvision ds-2cd2532f-i\(s\) firmware
- hikvision ds-2cd2612f-i\(s\) firmware
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
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. Federal remediation deadline: 2026-03-26.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score.
References
- http://www.hikvision.com/us/about_10805.html
- http://www.securityfocus.com/bid/98313
- https://ghostbin.com/paste/q2vq2
- https://ics-cert.us-cert.gov/advisories/ICSA-17-124-01
- https://www.hikvision.com/cn/support/CybersecurityCenter/SecurityNotices/20170314/
- https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-notification--privilege-escalating-vulnerability-in-cer/
- https://www.hikvision.com/us-en/support/document-center/special-notices/privilege-escalating-vulnerability-in-certain-hikvision-ip-cameras/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-7921
FAQ
Is CVE-2017-7921 actively exploited?
Yes. CISA added CVE-2017-7921 to its Known Exploited Vulnerabilities (KEV) catalog on 2026-03-05, with a federal remediation deadline of 2026-03-26. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2017-7921?
CVE-2017-7921 has a CVSS base score of 9.8 (Critical). Its vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Related vulnerabilities
- CVE-2021-36260 — Hikvision Security cameras web server
- CVE-2023-49105 — ownCloud ownCloud
- CVE-2026-65400 — Apple macOS
- CVE-2026-16232 — Check Point SmartConsole
- CVE-2026-46817 — Oracle E-Business Suite
- CVE-2026-50751 — Check Point Security Gateway
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
weekly kev brief
Patch what's actually being exploited.
One email a week: the KEV additions that matter, prioritized — no noise.
Free. No spam. Unsubscribe anytime. Delivered by Beehiiv.