CISA-confirmed known exploited vulnerability

CVE-2016-4523

Trihedral VTScada (formerly VTS) Denial-of-Service Vulnerability

Trihedral · VTScada (formerly VTS)

Vulnerability details

The WAP interface in Trihedral VTScada (formerly VTS) allows remote attackers to cause a denial-of-service (DoS).

Added to CISA KEV: 2022-04-15

Ransomware campaign use: Unknown

CISA due date: 2022-05-06

Defensive guidance from CISA

Apply updates per vendor instructions.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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