CVE-2016-4523
Trihedral VTScada (formerly VTS) Denial-of-Service Vulnerability
- High 7.5
- Exploited: added to CISA KEV 15 Apr 2022
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.
Key facts
- Published
- 9 Jun 2016
- Last changed
- 21 Oct 2025
- Assigned by
- icscert
- KEV added
- 15 Apr 2022
- KEV fix due
- 6 May 2022
- EPSS
- 31.167% likely to be exploited in the next 30 days, higher than 98.298% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: yes; Technical impact: partial
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 7.5CVSS 3.1, Highfrom CISA (ADP container)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
What to do
- Apply updates per vendor instructions.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a |
|
Timeline
- 9 Jun 2016 Published
- 15 Apr 2022 CVE-2016-4523 added to CISA KEV
- 15 Apr 2022 Added to the CISA KEV catalogue