Elcomplus SmartPtt Path Traversal

published 2022-04-28 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30792

cvss: 4.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 64%
public exploits: 0; none known

Elcomplus SmartPTT is vulnerable as the backup and restore system does not adequately validate download requests, enabling malicious users to perform path traversal attacks and potentially download arbitrary files from the system.

Vendor advisories

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

cisa ICSA-22-109-04 updated 2022-04-19 cvss 4.9

Elcomplus SmartPTT SCADA

Elcomplus LLC SmartPTT SCADA 1.1
affected: mitigation “Elcomplus has released an update to fix these vulnerabilities and recommends users upgrade to Version 2.3.4 or later.” drive.google.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

cisa ICSA-22-109-05 updated 2022-04-19 cvss 9.8

Elcomplus SmartPTT SCADA Server

Elcomplus LLC SmartPTT SCADA Server 1.4
affected: mitigation “Elcomplus has released an update to fix these vulnerabilities and recommends users upgrade to Version 2.3.4 or later.” drive.google.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

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 18 mo ago (2025-04-16)

Exploit prediction

1.04% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.9	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	4.9	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

Elcomplus SmartPTT

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

cisa.gov /uscert/ics/advisories/icsa-22-109-04
third-party-advisory, us-government-resource

Sources

CVE List CVE-2021-43930
NVD CVE-2021-43930

Fencer Vulns 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