Vulnerabilities > CVE-2020-7054 - Out-of-bounds Write vulnerability in Mz-Automation Libiec61850
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
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.