CVE-2018-18937
An issue has been found in libIEC61850 v1.3. It is a NULL pointer dereference in...
An issue has been found in libIEC61850 v1.3. It is a NULL pointer dereference in ClientDataSet_getValues in client/ied_connection.c.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue has been found in libIEC61850 v1.3. It is a NULL pointer dereference in ClientDataSet_getValues in client/ied_connection.c.
- Record
CVE-2018-18937- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-476
- Updated
- 2026-11-02
CVE List No score
An issue has been found in libIEC61850 v1.3. It is a NULL pointer dereference in ClientDataSet_getValues in client/ied_connection.c.
- Record
CVE-2018-18937- Updated
- 2026-11-02
EUVDEUVD-2018-10643 No score
An issue has been found in libIEC61850 v1.3. It is a NULL pointer dereference in ClientDataSet_getValues in client/ied_connection.c.
- Record
EUVD-2018-10643- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qfm5-v3g4-xr9m
An issue has been found in libIEC61850 v1.3. It is a NULL pointer dereference in...
An issue has been found in libIEC61850 v1.3. It is a NULL pointer dereference in ClientDataSet_getValues in client/ied_connection.c.
- Record
GHSA-qfm5-v3g4-xr9m- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
OSV
An issue has been found in libIEC61850 v1.3. It is a NULL pointer dereference in ClientDataSet_getValues in client/ied_connection.c.
- Record
CVE-2018-18937- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-18937 is a high vulnerability (CVSS 7.5) in Mz-automation Libiec61850, published November 5, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.66%, the 76th percentile. No source names a fixed version.