An Improper Access Control issue was discovered in Trihedral VTScada 11.3.03 and prior.

published 2017-11-06 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-5546

cvss: 7.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits: 0; none known

An Improper Access Control issue was discovered in Trihedral VTScada 11.3.03 and prior. A local, non-administrator user has privileges to read and write to the file system of the target machine.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-17-304-02 updated 2017-10-31 cvss 7.8

Trihedral Engineering Limited VTScada

Trihedral Engineering Limited VTScada <= 11.3.03
affected: vendor fix, mitigation “Trihedral Engineering Limited recommends that users of an affected version update to the latest version, 11.3.05. The update can be found at the following location:” trihedral.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

n/a Trihedral Engineering Limited VTScada

Classification

Weakness

CWE-284 Improper Access Control
CWE-269 Improper Privilege Management

References

ics-cert.us-cert.gov /advisories/ICSA-17-304-02
issue-tracking, mitigation, third-party-advisory, us-government-resource

Sources

CVE List CVE-2017-14031
NVD CVE-2017-14031

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary