LCDS LAquis SCADA - Cross-site Scripting

published 2022-05-25 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-19710

cvss: 9.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.5%; EPSS 2.5% chance of exploitation in 30 days, percentile 85%
public exploits: 0; none known

When a non-existent resource is requested, the LCDS LAquis SCADA application (version 4.3.1.1011 and prior) returns error messages which may allow reflected cross-site scripting.

Vendor advisories

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

cisa ICSA-21-208-04 updated 2021-07-27 cvss 9.3

LCDS LAquis SCADA

LCDS LeÃ£o Consultoria e Desenvolvimento de Sistemas Ltda ME Versions <= 4.3.1.1011
affected: mitigation “LCDS recommends users update to Version 4.3.1.1079 or later.” laquisscada.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: yes
Technical impact: partial
Assessed: 18 mo ago (2025-04-16)

Exploit prediction

2.53% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N
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

LCDS—Leão Consultoria e Desenvolvimento de Sistemas Ltda ME LAquis SCADA

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

cisa.gov /uscert/ics/advisories/icsa-21-208-04
third-party-advisory, us-government-resource

Sources

CVE List CVE-2021-32989
NVD CVE-2021-32989

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