CVE-2016-4523
Trihedral VTScada (formerly VTS) Denial-of-Service Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 6 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 31.17% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 15 April 2022 · due 6 May 2022
- Weakness
- CWE-125
- Affected
- trihedral/vtscada
- Source
- ics-cert@hq.dhs.gov
EPSS 31.2% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2016-4523
References
- http://www.securityfocus.com/bid/91077Broken Link, Third Party Advisory, VDB Entry
- http://www.zerodayinitiative.com/advisories/ZDI-16-405Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-16-159-01Third Party Advisory, US Government Resource
- http://www.securityfocus.com/bid/91077Broken Link, Third Party Advisory, VDB Entry
- http://www.zerodayinitiative.com/advisories/ZDI-16-405Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-16-159-01Third Party Advisory, US Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-4523US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.