6.5

CVE-2021-45117

Exploit

The OPC autogenerated ANSI C stack stubs (in the NodeSets) do not handle all error cases. This can lead to a NULL pointer dereference.

Data is provided by the National Vulnerability Database (NVD)
OpcfoundationUa-nodeset Version < 1.05.01
SiemensSimatic Net Pc Version14 Update-
SiemensSimatic Net Pc Version15 Update-
SiemensSimatic Net Pc Version16 Update-
SiemensSimatic Net Pc Version17 Update-
SiemensSitop Manager Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.46% 0.63
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvd@nist.gov 4.3 8.6 2.9
AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.