What is CVE-2020-7054?

CVE-2020-7054 is a high-severity vulnerability in Mz-automation Libiec61850, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2020-01-14.

How severe is CVE-2020-7054?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Mz-automation Libiec61850

CVE-2020-7054

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.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (61.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Mz-automation Libiec61850
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-7054?: CVE-2020-7054 is a high-severity vulnerability in Mz-automation Libiec61850, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2020-01-14.
How severe is CVE-2020-7054?: High severity. CVSS v3 base score is 8.8 out of 10.