ACTIVELY EXPLOITED

CVE-2016-4523: Trihedral VTScada (formerly VTS) Denial-of-Service Vulnerability

Facts
VendorTrihedral
ProductVTScada (formerly VTS)
Actively exploitedYes
Added to CISA KEV15 Apr 2022
CISA federal deadline6 May 2022
Weakness (CWE)CWE-119

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

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

SOURCES

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.