Siemens SIMATIC PCS 7 V8.2 and earlier
At a glance
- Source
- NVD
- EPSS
- EPSS 0.23 % · percentile 14 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- siemens
- NVD status
- Modified
Description
A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.X (All versions < V9.1 SP2), SIMATIC PDM (All versions < V9.2 SP2), SIMATIC STEP 7 V5.X (All versions < V5.7), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 SP2 HF1). A directory containing metafiles relevant to devices' configurations has write permissions. An attacker could leverage this vulnerability by changing the content of certain metafiles and subsequently manipulate parameters or behavior of devices that would be later configured by the affected software.
Weaknesses (CWE)
- CWE-732 — Incorrect Permission Assignment for Critical Resource
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | HIGH 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2021-18769
- GCVE · GCVE-0-2021-31894
CERT-FR advisories
- CERTFR-2021-AVI-518 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:siemens:simatic_pcs_7_firmware:*:*:*:*:*:*:*:*≤ 8.2cpe:2.3:o:siemens:simatic_pcs_7_firmware:9.0:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_pdm_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_step_7_firmware:*:*:*:*:*:*:*:*≥ 5.0 < 5.7cpe:2.3:o:siemens:sinamics_starter_firmware:*:*:*:*:*:*:*:*< 5.4cpe:2.3:o:siemens:sinamics_starter_firmware:5.4:-:*:*:*:*:*:*cpe:2.3:o:siemens:sinamics_starter_firmware:5.4:hf1:*:*:*:*:*:*cpe:2.3:o:siemens:sinamics_starter_firmware:5.4:hf2:*:*:*:*:*:*cpe:2.3:o:siemens:sinamics_starter_firmware:5.4:sp1:*:*:*:*:*:*cpe:2.3:o:siemens:sinamics_starter_firmware:5.4:sp1_hf1:*:*:*:*:*:*cpe:2.3:o:siemens:sinamics_starter_firmware:5.4:sp2:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Siemens · SIMATIC PCS 7 V8.2 and earlier | affected All versions |
| Siemens · SIMATIC PCS 7 V9.X | affected All versions < V9.1 SP2 |
| Siemens · SIMATIC PDM | affected All versions < V9.2 SP2 |
| Siemens · SIMATIC STEP 7 V5.X | affected All versions < V5.7 |
| Siemens · SINAMICS STARTER (containing STEP 7 OEM version) | affected All versions < V5.4 SP2 HF1 |
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 |