CVE-2020-15782
Siemens · published 2021-05-28
Source record Collected from the National Vulnerability Database (NVD)
Description
Description by Siemens AG via the CVE Program.
A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V21.9), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions < V4.5.0), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V2.9.2), SIMATIC S7-1500 Software Controller (All versions < V21.9), SIMATIC S7-PLCSIM Advanced (All versions < V4.0), SINAMICS PERFECT HARMONY GH180 Drives (Drives manufactured before 2021-08-13), SINUMERIK MC (All versions < V6.15), SINUMERIK ONE (All versions < V6.15). Affected devices are vulnerable to a memory protection bypass through a specific operation. A remote unauthenticated attacker with network access to port 102/tcp could potentially write arbitrary data and code to protected memory areas or read sensitive data to launch further attacks.
Status at the source
- NVD status: Modified
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| Siemens | SIMATIC Drive Controller family | All versions < V2.9.2: affected |
| Siemens | SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) | All versions: affected |
| Siemens | SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) | All versions < V21.9: affected |
| Siemens | SIMATIC S7-1200 CPU family (incl. SIPLUS variants) | All versions < V4.5.0: affected |
| Siemens | SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) | All versions < V2.9.2: affected |
| Siemens | SIMATIC S7-1500 Software Controller | All versions < V21.9: affected |
| Siemens | SIMATIC S7-PLCSIM Advanced | All versions < V4.0: affected |
| Siemens | SINAMICS PERFECT HARMONY GH180 Drives | Drives manufactured before 2021-08-13: affected |
| Siemens | SINUMERIK MC | All versions < V6.15: affected |
| Siemens | SINUMERIK ONE | All versions < V6.15: affected |
Products named in NVD's CPE match criteria (6)
cpe:2.3:o:siemens:simatic_driver_controller_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:s7-1200_cpu_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:s7-1500_cpu_firmware:*:*:*:*:*:*:*:*cpe:2.3:a:siemens:simatic_s7-1500__software_controller:*:*:*:*:*:*:*:*cpe:2.3:a:siemens:simatic_s7-plcsim_advanced:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:et_200sp_open_controller_firmware:*:*:*:*:*:*:*:*
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 3.1: 9.8 CRITICAL — as published by NIST (Primary)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1: 9.8 CRITICAL — as published by CISA-ADP (Secondary)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0: 7.5 HIGH — as published by NIST (Primary)
AV:N/AC:L/Au:N/C:P/I:P/A:P - SSVC — CISA's assessment (SSVC 2.0.3, CISA Coordinator): Exploitation: none · Automatable: yes · Technical impact: total
DeSpy does not score records. These are the sources' own values.
Weaknesses
Sources
References the source lists
- https://cert-portal.siemens.com/productcert/pdf/ssa-434534.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-434535.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-434536.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-434534.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-434535.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-434536.pdf
Source dates: published 2021-05-28, last changed 2026-06-17. DeSpy's copy of this version is dated 2026-09-28.
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