A structured exception handler overflow vulnerability in Leao Consultoria e Desenvolvimento de Sistemas (LCDS) LTDA ME LAquis SCADA 4.1.0.3…

published 2018-04-09 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-17233

cvss: 7.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 36%
public exploits: 0; none known

A structured exception handler overflow vulnerability in Leao Consultoria e Desenvolvimento de Sistemas (LCDS) LTDA ME LAquis SCADA 4.1.0.3391 and earlier may allow code execution.

Vendor advisories

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

cisa ICSA-18-095-03 updated 2018-04-05 cvss 7.0

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

LCDS - LeÃ£o Consultoria e Desenvolvimento de Sistemas LTDA ME LAquis SCADA software <= 4.1.0.3391
affected: mitigation “LCDS recommends that users update to version 4.1.0.3774, which can be found at the following location”

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

Exploit prediction

0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	4.6	AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

ICS-CERT LCDS - LeÃ£o Consultoria e Desenvolvimento de Sistemas LTDA ME LAquis SCADA

Classification

Weakness

CWE-703 Improper Check or Handling of Exceptional Conditions
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

ics-cert.us-cert.gov /advisories/ICSA-18-095-03
third-party-advisory, us-government-resource
securityfocus.com /bid/103724
vdb-entry, third-party-advisory

Sources

CVE List CVE-2018-5463
NVD CVE-2018-5463

Fencer Intel 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