CVE-2022-3181
highpriority · track · 30EPSS 0.007 · 54 %ileEUUSEPSS · scored 2026-10-27
An Improper Input Validation vulnerability exists in Trihedral VTScada version 12.0.38 and prior. A specifically malformed HTTP request could cause the affected VTScada to crash. Both local area network (LAN)-only and internet facing systems are affected.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No vendor fix yet; a mitigation is available.
- MitigationVTScadacisa_csaf_ot
If a VTScada system must accept incoming HTTP connections, then users should limit accepted connections exclusively to trusted LAN networks accessed by trusted personnel.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-22-300-04Trihedral VTScada2022-10-27icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could cause a denial-of-service condition in the affected product.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2022-3181/cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2022-3181cnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.5427cnnvd
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-300-04cnnvd
- https://www.vtscada.comPatchcnnvd
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-300-04enisa_euvd
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-300-04PatchThird Party AdvisoryUS Government Resourcenvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan