Siemens SIMATIC PCS 7
At a glance
- Source
- NVD
- EPSS
- EPSS 0.34 % · percentile 27 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- siemens
- NVD status
- Modified
Description
A vulnerability has been identified in SIMATIC PCS 7 (All versions), SIMATIC WinCC (All versions < V7.5 SP2). Due to an insecure password verification process, an attacker could bypass the password protection set on protected files, thus being granted access to the protected content, circumventing authentication.
Weaknesses (CWE)
- CWE-288 — Authentication Bypass Using an Alternate Path or Channel
- CWE-287 — Improper Authentication
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | LOW 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2020-2513
- GCVE · GCVE-0-2020-10048
CERT-FR advisories
- CERTFR-2021-AVI-094 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:siemens:simatic_pcs_7:*:*:*:*:*:*:*:*cpe:2.3:a:siemens:simatic_wincc:*:*:*:*:*:*:*:*< 7.5cpe:2.3:a:siemens:simatic_wincc:7.5:sp1:*:*:*:*:*:*cpe:2.3:a:siemens:simatic_wincc:7.5:sp1_update1:*:*:*:*:*:*cpe:2.3:a:siemens:simatic_wincc:7.5:sp1_update2:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Siemens · SIMATIC PCS 7 | affected All versions |
| Siemens · SIMATIC WinCC | affected All versions < V7.5 SP2 |
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 |