CVE-2019-6536

mediumpriority · track · 31EPSS 0.012 · 68 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.21% (68th) EPSS

CVSS 6.8 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationSCADAcisa_csaf_ot
LCDS recommends users update to Version 4.3.1.71, which can be found at the following location:
https://laquisscada.com

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–7.8

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v3.07.8highCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.07.8highCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.07.1highCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-787US

affected products (4)

Products and version ranges known to be affected.

SCADA: 4.1.0.4150all versionscisa_csaf_otUS
LCDS LeÃ£o Consultoria e Desenvolvimento de Sistemas LTDA ME SCADAall versionscisa_csaf_otUS
LCDS - Leão Consultoria e Desenvolvimento de Sistemas LTDA ME LAquis SCADA≤ < 4.3.1.71enisa_euvdEU
lcds laquis scada= 4.1.0.4150nvdUScpe:2.3:a:lcds:laquis_scada:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-19-073-01LCDS - Leão Consultoria e Desenvolvimento de Sistemas Ltda ME LAquis SCADA ELS Files2019-03-14icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could allow remote code execution.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2019-03-27modified 2026-06-17

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+16125 more

references (10)

External citations — patches, advisories, analysis.

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