Is CVE-2016-4523 in the CISA KEV catalog?

Yes. CVE-2016-4523 is on the CISA Known Exploited Vulnerabilities list, added 2022-04-15.

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

CVE-2016-4523 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2016-4523?

CVE-2016-4523 has an EPSS score of 31.39% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2016-4523

HIGHCISA KEVEPSS 98th pctl

7.5

CVSS v3

NVD

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.

CWE-125Out-of-bounds Read

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

31.39%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

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

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

Apply updates per vendor instructions.

Remediation due: 2022-05-06

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-22.