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CVE-2016-4523

7.5, high Known exploited

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

NVD (opens in a new tab) CVE.org (opens in a new tab) CISA KEV catalogue (opens in a new tab)
CVSS
7.5, high high CVSS v3.1
EPSS, next 30 days
31% higher than 98.2% of scored CVEs
Exploitation
Confirmed in the wild
Published
9 Jun 201610 years ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 15 Apr 2022. US federal agencies had to remediate by 6 May 2022, a deadline that has passed.

Required action. Apply updates per vendor instructions.

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.

Details

Vendor
Trihedral
Product
Vtscada
Weakness
CWE-125 (opens in a new tab)
Status
Analyzed
Updated
17 Jun 2026
Assigner
ics-cert@hq.dhs.gov

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References 4

Advisories 3

Other references 1

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Beyond this page

Is CVE-2016-4523 in your network?

This page tells you how dangerous CVE-2016-4523 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

CVE-2016-4523 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

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  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 16 Oct 2026, not the live upstream state.