What is CVE-2018-18937?

CVE-2018-18937 is a high-severity vulnerability in Mz-Automation Libiec61850, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2018-11-05.

How severe is CVE-2018-18937?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2018-18937 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Mz-Automation Libiec61850

CVE-2018-18937

An issue has been found in libIEC61850 v1.3. It is a NULL pointer dereference in ClientDataSet_getValues in client/ied_connection.c.

Published 2018-11-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.017 (75.7th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Mz-Automation Libiec61850 — versions 1.3

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

References

github.com/fouzhe/security/tree/master/libiec61850 (Exploit, Third Party Advisory)
github.com/mz-automation/libiec61850/issues/82 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-18937?: CVE-2018-18937 is a high-severity vulnerability in Mz-Automation Libiec61850, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2018-11-05.
How severe is CVE-2018-18937?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-18937 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.