CVE-2020-15782
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 5.18% — more likely to be exploited than 92% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2021-05-28 |
| Last modified | 2026-06-17 |
Affected (40)
| Vendor | Product |
|---|---|
| siemens | 6es7510-1dj01-0ab0 |
| siemens | 6es7510-1sj01-0ab0 |
| siemens | 6es7511-1ak01-0ab0 |
| siemens | 6es7511-1ak02-0ab0 |
| siemens | 6es7511-1ck00-0ab0 |
| siemens | 6es7511-1ck01-0ab0 |
| siemens | 6es7511-1fk01-0ab0 |
| siemens | 6es7511-1fk02-0ab0 |
| siemens | 6es7511-1tk01-0ab0 |
| siemens | 6es7511-1uk01-0ab0 |
| siemens | 6es7512-1ck00-0ab0 |
| siemens | 6es7512-1ck01-0ab0 |
| siemens | 6es7512-1dk01-0ab0 |
| siemens | 6es7512-1sk01-0ab0 |
| siemens | 6es7513-1al01-0ab0 |
| siemens | 6es7513-1al02-0ab0 |
| siemens | 6es7513-1fl01-0ab0 |
| siemens | 6es7513-1fl02-0ab0 |
| siemens | 6es7513-1rl00-0ab0 |
| siemens | 6es7513-2gl00-0ab0 |
| siemens | 6es7513-2pl00-0ab0 |
| siemens | 6es7515-2am01-0ab0 |
| siemens | 6es7515-2am02-0ab0 |
| siemens | 6es7515-2fm01-0ab0 |
| siemens | 6es7515-2fm02-0ab0 |
| siemens | 6es7515-2rm00-0ab0 |
| siemens | 6es7515-2tm01-0ab0 |
| siemens | cpu 1211c |
| siemens | cpu 1212c |
| siemens | cpu 1212fc |
| siemens | cpu 1214c |
| siemens | cpu 1214fc |
| siemens | cpu 1215c |
| siemens | cpu 1215fc |
| siemens | cpu 1217c |
| siemens | cpu 1504d tf |
| siemens | cpu 1507d tf |
| siemens | s7-1200 cpu firmware |
| siemens | s7-1500 cpu firmware |
| siemens | simatic driver controller firmware |
References
- 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
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