Siemens AG SIMATIC S7-200 SMART CPU family
At a glance
- Source
- NVD
- EPSS
- EPSS 1.04 % · percentile 64 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- siemens
- NVD status
- Modified
Description
A vulnerability has been identified in SIMATIC S7-200 SMART CPU family (All versions >= V2.2 < V2.5.1). Affected devices do not properly handle large numbers of new incomming connections and could crash under certain circumstances. An attacker may leverage this to cause a Denial-of-Service situation.
Weaknesses (CWE)
- CWE-400 — Uncontrolled Resource Consumption
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2020-28709
- GCVE · GCVE-0-2020-7584
CERT-FR advisories
- CERTFR-2020-AVI-439 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:siemens:simatic_s7-200_smart_sr_cpu_firmware:*:*:*:*:*:*:*:*≥ 2.2 < 2.5.1cpe:2.3:o:siemens:simatic_s7-200_smart_st_cpu_firmware:*:*:*:*:*:*:*:*≥ 2.2 < 2.5.1
Affected products
| Product | Versions |
|---|---|
| Siemens AG · SIMATIC S7-200 SMART CPU family | affected All versions >= V2.2 < V2.5.1 |
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 |