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HIGH

CVE-2019-19931

CVSS v3

8.8

HIGH

EPSS Score

1.3 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

In libIEC61850 1.4.0, MmsValue_decodeMmsData in mms/iso_mms/server/mms_access_result.c has a heap-based buffer overflow.

Technical details

Published
2019-12-23

Frequently asked questions

What is CVE-2019-19931?

In libIEC61850 1.4.0, MmsValue_decodeMmsData in mms/iso_mms/server/mms_access_result.c has a heap-based buffer overflow.

Is CVE-2019-19931 actively exploited?

Active exploitation of CVE-2019-19931 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-19931?

CVE-2019-19931 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2019-19931 affecting your environment?

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