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

> CVE-2016-4523: Trihedral VTScada (formerly VTS) Denial-of-Service Vulnerability. CVSS 7.5 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2016-4523
Last updated: 2025-10-21T23:55:51Z

- Published: 2016-06-09 10:00 UTC · Updated: 2025-10-21 23:55 UTC · Assigner: icscert
- CVSS: 7.5 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS: 31.2%, 98th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-04-15, federal due date 2022-05-06, ransomware use: Unknown

## Description

The WAP interface in Trihedral VTScada (formerly VTS) 8.x through 11.x before 11.2.02 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via unspecified vectors.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Trihedral: VTScada (formerly VTS)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2016-4523)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2016-4523)
- [https://ics-cert.us-cert.gov/advisories/ICSA-16-159-01](https://ics-cert.us-cert.gov/advisories/ICSA-16-159-01)
- [http://www.securityfocus.com/bid/91077](http://www.securityfocus.com/bid/91077)
- [http://www.zerodayinitiative.com/advisories/ZDI-16-405](http://www.zerodayinitiative.com/advisories/ZDI-16-405)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2016-4523 · Markdown: https://rewindex.com/cve/CVE-2016-4523.md · JSON: https://rewindex.com/api/v1/cves/CVE-2016-4523 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:01:54.314Z