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October 1, 2026

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CVE-2017-7921NVD

Vulnerability Summary

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.
Severity Level
CRITICAL(9.8)
Published Date
May 6, 2017
Last Modified
Apr 22, 2026
PoC
Available(Metasploit, Nuclei)
Exploitation Status
ACTIVE
EPSS Score (30-Day)
94.23%Probability
Root Weakness (CWE)
CWE-287: Improper Authentication ↗
When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.
CVSS v3.1 Base Metrics — Score 9.8 (CRITICAL)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • 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
  • Hikvision Ds-2cd2632f-i\(s\) Firmware
  • Hikvision Ds-2cd2712f-i\(s\) Firmware
  • Hikvision Ds-2cd2732f-i\(s\) Firmware
  • Hikvision Ds-2cd2t32-i3 Firmware
  • Hikvision Ds-2cd2t32-i5 Firmware
  • Hikvision Ds-2cd2t32-i8 Firmware
  • Hikvision Ds-2cd4012f-\(a\) Firmware
  • Hikvision Ds-2cd4012f-\(p\) Firmware
  • Hikvision Ds-2cd4012f-\(w\) Firmware
  • Hikvision Ds-2cd4012fwd-\(a\) Firmware
  • Hikvision Ds-2cd4012fwd-\(p\) Firmware
  • Hikvision Ds-2cd4012fwd-\(w\) Firmware
  • Hikvision Ds-2cd4024f-\(a\) Firmware
  • Hikvision Ds-2cd4024f-\(p\) Firmware
  • Hikvision Ds-2cd4024f-\(w\) Firmware
  • Hikvision Ds-2cd4032fwd-\(a\) Firmware
  • Hikvision Ds-2cd4032fwd-\(p\) Firmware
  • Hikvision Ds-2cd4032fwd-\(w\) Firmware
  • Hikvision Ds-2cd4112f-i\(z\) Firmware
  • Hikvision Ds-2cd4112fwd-i\(z\) Firmware
  • Hikvision Ds-2cd4124f-i\(z\) Firmware
  • Hikvision Ds-2cd4132fwd-i\(z\) Firmware
  • Hikvision Ds-2cd4212f-i\(h\) Firmware
  • Hikvision Ds-2cd4212f-i\(s\) Firmware
  • Hikvision Ds-2cd4212f-i\(z\) Firmware
  • Hikvision Ds-2cd4212fwd-i\(h\) Firmware
  • Hikvision Ds-2cd4212fwd-i\(s\) Firmware
  • Hikvision Ds-2cd4212fwd-i\(z\) Firmware
  • Hikvision Ds-2cd4224f-i\(h\) Firmware
  • Hikvision Ds-2cd4224f-i\(s\) Firmware
  • Hikvision Ds-2cd4224f-i\(z\) Firmware
  • Hikvision Ds-2cd4232fwd-i\(h\) Firmware
  • Hikvision Ds-2cd4232fwd-i\(s\) Firmware
  • Hikvision Ds-2cd4232fwd-i\(z\) Firmware
  • Hikvision Ds-2cd4312f-i\(h\) Firmware
  • Hikvision Ds-2cd4312f-i\(s\) Firmware
  • Hikvision Ds-2cd4312f-i\(z\) Firmware
  • Hikvision Ds-2cd4324f-i\(h\) Firmware
  • Hikvision Ds-2cd4324f-i\(s\) Firmware
  • Hikvision Ds-2cd4324f-i\(z\) Firmware
  • Hikvision Ds-2cd4332fwd-i\(h\) Firmware
  • Hikvision Ds-2cd4332fwd-i\(s\) Firmware
  • Hikvision Ds-2cd4332fwd-i\(z\) Firmware
  • Hikvision Ds-2cd6412fwd Firmware
  • Hikvision Ds-2dfx Series Firmware
  • Hikvision Ds-2cd63xx Series Firmware
Patched Versions
Not provided by NVD for this CVE.
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💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫Ad-Free — Uninterrupted experience.
🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫Ad-Free — Uninterrupted experience.

External References