Elcomplus SmartPtt Improper Authorization

published 2022-04-28 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30801

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits: 0; none known

Elcomplus SmartPTT is vulnerable when a low-authenticated user can access higher level administration authorization by issuing requests directly to the desired endpoints.

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 8.8

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 SSVC

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

Exploit prediction

0.64% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	9.0	AV:N/AC:L/Au:S/C:C/I:C/A:C

Affected products

Elcomplus SmartPTT

Classification

Weakness

CWE-285 Improper Authorization

References

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

Sources

CVE List CVE-2021-43939
NVD CVE-2021-43939

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