DS-KV9503 vulnerability

What happened

Some Hikvision intercom products utilize an immutable factory value which should be obtained from local network or physical interaction with the device within their main card, which may allow attackers to forge a legitimate main card, thereby gaining the permission to issue cards.

Affected versions

DS-KV9503: V2.3.13 and the versions prior to it; V3.7.0 and the versions prior to it; V3.7.1 and the versions prior to it; V3.10.0 and the versions prior to it; V3.9.0 and the versions prior to it; V3.11.0 and the versions prior to it Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

• Apply vendor-provided updates or mitigations.
• Review affected product exposure and access logs.