CVE-2021-45117
At a glance
- Source
- NVD
- EPSS
- EPSS 1.42 % · percentile 73 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- mitre
- NVD status
- Modified
Description
The OPC autogenerated ANSI C stack stubs (in the NodeSets) do not handle all error cases. This can lead to a NULL pointer dereference.
Weaknesses (CWE)
- CWE-476 — NULL Pointer Dereference
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2021-31899
- GCVE · GCVE-0-2021-45117
CERT-FR advisories
- CERTFR-2022-AVI-435 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:opcfoundation:ua-nodeset:*:*:*:*:*:*:*:*< 1.05.01cpe:2.3:a:siemens:simatic_net_pc:14:-:*:*:*:*:*:*cpe:2.3:a:siemens:simatic_net_pc:15:-:*:*:*:*:*:*cpe:2.3:a:siemens:simatic_net_pc:16:-:*:*:*:*:*:*cpe:2.3:a:siemens:simatic_net_pc:17:-:*:*:*:*:*:*cpe:2.3:a:siemens:sitop_manager:-:*:*:*:*:*:*:*cpe:2.3:a:siemens:telecontrol_server_basic:3.0:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| affected n/a |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |