CVE-2021-43938
highpriority · track · 39OT risk · elevatedEPSS 0.011 · 66 %ileEURUUSEPSS · scored 2026-10-28
Elcomplus SmartPTT SCADA Server is vulnerable to an unauthenticated user can request various files from the server without any authentication or authorization.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No vendor fix yet; a mitigation is available.
- MitigationSmartPTT SCADA Servercisa_csaf_ot
Elcomplus has released an update to fix these vulnerabilities and recommends users upgrade to Version 2.3.4 or later.
https://drive.google.com/drive/folders/1ovX1IdMKtVDnrBcSbKkY40e57Ib2bIex
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (5)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-22-109-05Elcomplus SmartPTT SCADA Server2022-04-19icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could allow an unauthorized user to store dangerous data in a trusted database; potentially exposing sensitive information; allow malicious users to upload arbitrary files; provide attackers a way to traverse the file system to access files or directories that are outside of the restricted directory; or result in exposure of data or unintended code execution.
also known as (5)
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-2021-43938/cnnvd
- https://drive.google.com/drive/folders/1ovX1IdMKtVDnrBcSbKkY40e57Ib2bIexPatchcnnvd
- https://us-cert.cisa.gov/ics/advisories/icsa-22-109-05cnnvd
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-109-05cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2022042007cnnvd
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-109-05enisa_euvd
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-109-05Third 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