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CVE-2017-7921

Hikvision — Hikvision Multiple Products Improper Authentication Vulnerability

Hikvision · CWE-287 — Improper authentication · in CISA KEV since 2026-03-05

ExigentCISA federal deadline · Overdue by 7 monthsCISA KEVActively Exploited
90

EVRS 90 of 100 Immediate

Out-of-Band / Urgent Remediation

Rank 132 of 2,960 tracked

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Why it scores 90

Evidence available: 6 of 7 signals

Listed in the CISA KEV catalog, and an EPSS probability of 0.999.

  • CISA KEVApplied
  • RansomwareDid not apply
  • Vendor exploitationDid not apply
  • EPSSApplied
  • Microsoft Exploitability IndexNot applicable
  • Pre-patch disclosureNo data
  • KEV recencyDid not apply
  • CVSSApplied

The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data

Fix

No fixed version identified yet

CISA required action

Affected versions

  • ds-2cd2032-i firmware
  • ds-2cd2112-i firmware
  • ds-2cd2132-i firmware
  • ds-2cd2212-i5 firmware
  • ds-2cd2232-i5 firmware
  • ds-2cd2312-i firmware
  • ds-2cd2332-i firmware
  • ds-2cd2412f-i\(w\) firmware

+108 more affected products; see the full list at NVD.

Remediation

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Evidence

Each value with its source
MeasureValueSource
CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. 9.8 NVD
FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. 0.999 (99.99th pctl) FIRST EPSS
Actively exploitedWhether a source of record has confirmed attacks using it in the wild. Confirmed CISA KEV
Ransomware campaign useWhether CISA has seen ransomware operators use it. Unknown or none CISA KEV
CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. 2026-03-26 · CISA federal deadline · Overdue by 7 months CISA KEV
Public exploit moduleA module existing is not the same as active exploitation. Public module exists Metasploit
EUVD cross-referenceENISA's record: CVSS 9.8 (v3.1), assigned by icscert. Listed ENISA EUVD

Description

NVD

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.

What CISA says to do

Public module

Metasploit lists the best-ranked (normal) of 2 public modules for this CVE: Hikvision IP Camera Unauthenticated Password Change Via Improper Authentication Logic (admin/http/hikvision_unauth_pwd_reset_cve_2017_7921). A module existing is not the same as active exploitation; see metasploit.com.