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Fencer Vulns
high 7.8

CVE-2019-6536 json

Opening a specially crafted LCDS LAquis SCADA before 4.3.1.71 ELS file may result in a write past the end of an allocated buffer, which may…

published 2019-03-27 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-16095

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

Opening a specially crafted LCDS LAquis SCADA before 4.3.1.71 ELS file may result in a write past the end of an allocated buffer, which may allow an attacker to execute remote code in the context of the current process.

Vendor advisories

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

cisa ICSA-19-073-01 updated cvss 7.8

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

  • LCDS Leão Consultoria e Desenvolvimento de Sistemas LTDA ME SCADA 4.1.0.4150
    affected: mitigation “LCDS recommends users update to Version 4.3.1.71, which can be found at the following location:” 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

Exploit prediction

1.21% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

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

Classification

Weakness

References

Sources

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.