What is CVE-2016-4523?

CVE-2016-4523 is a high-severity vulnerability in Trihedral Vtscada, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2016-06-09.

How severe is CVE-2016-4523?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2016-4523 known to be exploited?

Yes. CVE-2016-4523 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-04-15), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.

Out-of-bounds Read in Trihedral Vtscada

CVE-2016-4523

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.

Vulnerability class: Buffer Overflow

EPSS: 0.314 (98.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Trihedral Vtscada
N/a — versions n/a

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-04-15. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-05-06.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)
ics-cert@hq.dhs.gov (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
ics-cert@hq.dhs.gov (VDB Entry, Third Party Advisory, x_refsource_MISC)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2016-4523?: CVE-2016-4523 is a high-severity vulnerability in Trihedral Vtscada, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2016-06-09.
How severe is CVE-2016-4523?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2016-4523 known to be exploited?: Yes. CVE-2016-4523 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-04-15), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.