CVE-2016-4523

HIGHNVD 7.59.0▲Trending — 4 sources updated this weekExploited in the wild

7.5

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.

CVSS v3: 7.5
EG Score: 9.0(high)
EPSS: 98.5%
KEV: ⚠ Exploited

Published

June 9, 2016

Last Modified

April 22, 2026

Advisory Details (3)

Auto-updated May 19, 2026

⚠️ Active exploitation confirmed. Patch available. Sources: cisa.

cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-4523

generic

ZDI-16-405 | Zero Day Initiative

http://www.zerodayinitiative.com/advisories/ZDI-16-405

generic

http://www.securityfocus.com/bid/91077

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-01 00:26 UTCEG score recompute
2026-06-01 00:26 UTCGHSA enrichment
2026-05-29 22:20 UTCkev_newly_listed
2026-05-29 13:41 UTCepss_batch
2026-05-27 20:35 UTCkev_newly_listed
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 19:13 UTCkev_newly_listed
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 19:13 UTCkev_newly_listed
2026-05-21 22:40 UTCepss_batch
2026-05-21 22:36 UTCkev_newly_listed
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 17:33 UTCkev_newly_listed
2026-05-20 11:21 UTCepss_batch

Frequently asked(6)

What is CVE-2016-4523?

CVE-2016-4523 is a high vulnerability published on June 9, 2016. 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.

When was CVE-2016-4523 disclosed?

CVE-2016-4523 was first published in the National Vulnerability Database on June 9, 2016, with the most recent update on April 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2016-4523 actively exploited?

Yes. CISA added CVE-2016-4523 to the Known Exploited Vulnerabilities catalog on April 15, 2022, affecting Trihedral VTScada (formerly VTS). KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2016-4523?

CVE-2016-4523 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.

Which products are affected by CVE-2016-4523?

CVE-2016-4523 affects Trihedral VTScada (formerly VTS). The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2016-4523?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-4523, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2016-4523

📅 Published

🔄 Last Modified

📋 Advisory Details (3)