CVE-2019-19957

Name: CVE-2019-19957
Creator: NVD / NIST
Published: 2019-12-24T22:15:11.247+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.94%

Last modified Jun 17, 2026

CVE-2019-19957 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In libIEC61850 1.4.0, getNumberOfElements in mms/iso_mms/server/mms_access_result.c has an out-of-bounds read vulnerability, related to bufPos and elementLength.. EPSS estimates a 0.94% chance of exploitation in the next 30 days.

Description

In libIEC61850 1.4.0, getNumberOfElements in mms/iso_mms/server/mms_access_result.c has an out-of-bounds read vulnerability, related to bufPos and elementLength.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.94%

56.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Mz-Automation	Libiec61850	1.4.0

References

https://github.com/mz-automation/libiec61850/issues/197Exploit, Third Party Advisory
https://github.com/mz-automation/libiec61850/issues/197Exploit, Third Party Advisory

Timeline

Published: Dec 24, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-19957?

In libIEC61850 1.4.0, getNumberOfElements in mms/iso_mms/server/mms_access_result.c has an out-of-bounds read vulnerability, related to bufPos and elementLength.

How severe is CVE-2019-19957?

CVE-2019-19957 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.

How do I fix CVE-2019-19957?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-19957?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST