How severe is CVE-2018-5463?

CVE-2018-5463 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-5463 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-5463?

CVE-2018-5463 affects Lcds Laquis Scada. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-5463?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-5463 published?

CVE-2018-5463 was published on 2018-04-09 and last updated on 2026-06-17.

CVE-2018-5463

CVE-2018-5463 is a high-severity vulnerability in Lcds Laquis Scada with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Lcds Laquis Scada
Published: 2018-04-09
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2018-5463?: 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.
How severe is CVE-2018-5463?: CVE-2018-5463 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-5463 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-5463?: CVE-2018-5463 affects Lcds Laquis Scada. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-5463?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-5463 published?: CVE-2018-5463 was published on 2018-04-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:lcds:laquis_scada:*:*:*:*:*:*:*:*

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