Elcomplus SmartPtt Cross-site Scripting

published 2022-04-28 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30794

cvss: 9.0; 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 51%
public exploits: 0; none known

Elcomplus SmartPTT is vulnerable when an attacker injects JavaScript code into a specific parameter that can executed upon accessing the dashboard or the main page.

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 9.0

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: total
Assessed: 18 mo ago (2025-04-16)

Exploit prediction

0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

Elcomplus SmartPTT

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

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

Sources

CVE List CVE-2021-43932
NVD CVE-2021-43932

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