Vulnerability record

CVE-2017-7921

Hikvision Multiple Products Improper Authentication Vulnerability

Severity: CriticalExploitation: Exploitation confirmedCISA KEV
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Multiple Products, fix it now.

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.

US federal civilian agencies must remediate by Mar 26, 2026.

Patch status

Official fix available since

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
ProductVendorSource
Multiple ProductsHikvisionKEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog. Version details have not been published yet.

Intelligence timeline

Developments from the last 30 days, newest first.

No developments recorded for CVE-2017-7921 in the last 30 days.

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

  • hikvision.com https://www.hikvision.com/us-en/support/document-center/special-notices/privilege-escalating-vulnerability-in-…
  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2017-7921
  • hikvision.com http://www.hikvision.com/us/about_10805.html
  • securityfocus.com http://www.securityfocus.com/bid/98313
  • ghostbin.com https://ghostbin.com/paste/q2vq2
  • ics-cert.us-cert.gov https://ics-cert.us-cert.gov/advisories/ICSA-17-124-01
  • hikvision.com https://www.hikvision.com/cn/support/CybersecurityCenter/SecurityNotices/20170314/
  • hikvision.com https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-notification--privilege-escalati…
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-7921