critical Known exploitedREV. 01

CVE-2017-7921Hikvision Cameras — Improper Authentication

Several Hikvision camera models accept a request that carries credentials in the address itself, letting anyone who can reach the device read its configuration and take over the video stream.

YOUR NEXT MOVE

Update the camera firmware per Hikvision's advisory, and take the devices off any network reachable from outside.

Read the risk

THE VITAL STATS
CVSS score
9.8/ 10
CVSS v3.1
EPSS probability
100%
Likelihood of exploitation
Attack complexity
Low
Conditions needed to exploit
Known exploited
Yes — CISA KEV
CVE published
2017-05-06
Added to KEV
2026-03-05
Exploit published
Not recorded
Confidence
high
Kill chain
initial access
MITRE ATT&CK
T1190, T1078
Severity
critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attacker needsNetwork access to the camera

Behind the card

5 REFERENCES
Field-level provenanceTRACE THE SOURCES +

Which source supports each field, when it was retrieved, and who extracted it.

FieldsSourceRetrievedExtractorConfidence
cvss, exploitation.attack_complexity, exploitation.exploit_available, references, published_atnvd.nist.gov2026-08-07scrty-crds-pipeline/0.1high
exploitation.known_exploited, exploitation.kev_addedcisa.gov2026-08-07scrty-crds-pipeline/0.1high
epssapi.first.org2026-08-07scrty-crds-pipeline/0.1high
title, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisitesnvd.nist.gov2026-08-07claude-codehigh

Printing history

THE RECORD
  1. r1Initial base card

First printing. This card has not been reprinted since publication.

crds:cve-2017-7921 · CRDS 0.1 · Issued 2026-08-07