Vulnerability · Published May 28, 2021 · Assigned by siemens
CVE-2020-15782
Critical 9.8
In plain English
A critical-severity memory corruption in SIMATIC Drive Controller family from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 5.2% (higher than 92% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Siemens | SIMATIC Drive Controller family | All versions < V2.9.2 |
| Siemens | SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) | All versions |
| Siemens | SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) | All versions < V21.9 |
| Siemens | SIMATIC S7-1200 CPU family (incl. SIPLUS variants) | All versions < V4.5.0 |
| Siemens | SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) | All versions < V2.9.2 |
| Siemens | SIMATIC S7-1500 Software Controller | All versions < V21.9 |
| Siemens | SIMATIC S7-PLCSIM Advanced | All versions < V4.0 |
| Siemens | SINAMICS PERFECT HARMONY GH180 Drives | Drives manufactured before 2021-08-13 |
| Siemens | SINUMERIK MC | All versions < V6.15 |
| Siemens | SINUMERIK ONE | All versions < V6.15 |
Weakness: CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-434534.pdf x_refsource_MISC
- https://cert-portal.siemens.com/productcert/pdf/ssa-434536.pdf x_refsource_MISC
- https://cert-portal.siemens.com/productcert/pdf/ssa-434535.pdf x_refsource_MISC