Is CVE-2019-6809 in the CISA KEV catalog?

No. CVE-2019-6809 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-6809?

CVE-2019-6809 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2019-6809?

CVE-2019-6809 has an EPSS score of 1.76% (75th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-6809?

Upgrade modicon m340 firmware to 3.10 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2019-6809

HIGHEPSS 75th pctl

7.5

CVSS v3

NVD

Description

A CWE-248: Uncaught Exception vulnerability exists in Modicon M580 (firmware versions prior to V2.90), Modicon M340 (firmware versions prior to V3.10), Modicon Premium (all versions), Modicon Quantum (all versions), which could cause a possible denial of service when reading invalid data from the controller.

CWE-248 CWE-755

How to fix

Remediation Available

modicon m340 firmwareNVD

Affected:< 3.10Fixed in:3.10CVE-2019-6809derived from NVD

modicon m580 firmwareNVD

Affected:< 2.90Fixed in:2.90CVE-2019-6809derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

1.76%probability of exploitation in 30 days

75thpercentile

Elevated risk: more likely to be exploited than 75% of all known CVEs.

References

Vendor Advisory1

schneider-electric.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.