CVE-2017-7921
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- In the wild
- CISA lists this as exploited in real attacks. Treat as urgent.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- 2026-03-05 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
- 2026-03-26 Remediation deadlineCISA's due date for federal agencies to fix it
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
- Exploit odds: 100.0% in the next 30 days (EPSS).
- Severity: 9.8 CRITICAL (CVSS).
- Fix: a patch or advisory is linked.
- It meets the bar for Drop everything: critical, and exploited or very likely to be.
Details
- Published
- Last modified
- Added to CISA KEV
- 2026-03-05
- Exploit probability
- 100.0% · EPSS, next 30 days
- Weakness
- CWE-287 · Improper authentication
- Record status
- Analyzed
Affected
- 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
Attack profile CVSS 3.1 · 9.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2017-7921.md and follow it. Check whether this project is affected by CVE-2017-7921. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
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
- 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