CVE-2021-45769

7.5 highEPSS 1.1%

High (7.5) in mz-automation libiec61850. EPSS 1.1% chance of exploitation in the next 30 days.

A NULL pointer dereference in AcseConnection_parseMessage at src/mms/iso_acse/acse.c of libiec61850 v1.5.0 can lead to a segmentation fault or application crash.

Severity

CVSS 3.1

7.5 high

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

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2022-01-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mz-automation:libiec61850

References

https://github.com/mz-automation/libiec61850/issues/368
https://github.com/mz-automation/libiec61850/issues/368

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