Known vulnerability record

CVE-2017-7921

Hikvision Multiple Products Improper Authentication Vulnerability

Stable IDcve:CVE-2017-7921Last updatedLast verifiedLegacy review pendingProvenanceCISA KEV + CVE record + EPSS

Hikvision Multiple Products Improper Authentication Vulnerability

Multiple Hikvision products contain an improper authentication vulnerability that could allow a malicious user to escalate privileges on the system and gain access to sensitive information.

Keep the signals separate

CVSS severitycriticalScore 9.8 · source CISA-ADP
EPSS probability100.0%Probability of exploitation in the next 30 days; not severity
CISA KEVKnown exploitedAdded 2026-03-05
Ransomware useunknownPreserved as known / unknown, not a truthy default

Dates and provenance

CVE published
2017-05-06
CVE modified
2026-03-06
KEV date added
2026-03-05
Dataset fetched
2026-08-21T03:55:06.934Z

Original records

Version history: normalized permanent page created 2026-08-20. Machine-enriched fields remain source-attributed.