CVE-2020-7054

8.8 highEPSS 1.1%

High (8.8) in mz-automation libiec61850. EPSS 1.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.8 high

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

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2020-01-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mz-automation:libiec61850

References

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

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