CVE-2020-7054

HIGH

libiec61850 < 1.4.0 - Heap-Based Buffer Overflow in MMS_BIT_STRING Parsing

Title source: llm

Description

MmsValue_decodeMmsData in mms/iso_mms/server/mms_access_result.c in libIEC61850 through 1.4.0 has a heap-based buffer overflow when parsing the MMS_BIT_STRING data type.

References (1)

Core 1

Core References

Exploit, Third Party Advisory x_refsource_misc

https://github.com/mz-automation/libiec61850/issues/200

Scores

CVSS v3 8.8

EPSS 0.0110

EPSS Percentile 61.8%

Attack Vector NETWORK

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

Details

CWE

CWE-787

Status published

Products (1)

mz-automation/libiec61850 < 1.4.0

Published Jan 14, 2020

Tracked Since Feb 18, 2026