CVE-2016-4523
Actively exploited. CVE-2016-4523 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-04-15) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
The WAP interface in Trihedral VTScada (formerly VTS) allows remote attackers to cause a denial-of-service (DoS).
CSIRTS triage
- What
- The WAP interface in Trihedral VTScada allows remote attackers to cause a denial-of-service (DoS).
- Who is affected
- Users of Trihedral VTScada.
- Urgency
- Remediation is critical due to active exploitation and high severity.
- Action
- Apply the latest security updates for VTScada.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 98% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2016-4523: Trihedral VTScada (formerly VTS) Denial-of-Service Vulnerabilitycisa-kev · 2022-04-15
External references
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