Out-of-bounds Read in Mz-Automation Libiec61850

CVE-2019-19944

In libIEC61850 1.4.0, BerDecoder_decodeUint32 in mms/asn1/ber_decode.c has an out-of-bounds read, related to intLen and bufPos.

Vulnerability class: Buffer Overflow

EPSS: 0.009 (57.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-19944?
CVE-2019-19944 is a medium-severity vulnerability in Mz-Automation Libiec61850, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2019-12-23.
How severe is CVE-2019-19944?
Medium severity. CVSS v3 base score is 6.5 out of 10.