Vulnerability in Siemens Simatic_drive_controller_cpu_1504d_tf
CVE-2021-37185
A vulnerability has been identified in SIMATIC Drive Controller family (All versions >= V2.9.2 < V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions >= V21.9 < V21.9.4), SIMATIC S7-1200 CPU family…
EPSS: 0.021 (79.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Siemens Simatic_drive_controller_cpu_1504d_tf
- Siemens Simatic_drive_controller_cpu_1504d_tf_firmware
- Siemens Simatic_drive_controller_cpu_1507d_tf
- Siemens Simatic_drive_controller_cpu_1507d_tf_firmware
- Siemens Simatic Drive Controller Family — versions All versions >= V2.9.2 < V2.9.4
- Siemens Simatic_et_200sp_open_controller_cpu_1515sp_pc2
- Siemens Simatic_et_200sp_open_controller_cpu_1515sp_pc2_firmware
- Siemens Simatic Et 200sp Open Controller Cpu 1515sp Pc2 (Incl. Siplus Variants) — versions All versions >= V21.9 < V21.9.4
- Siemens Simatic_s7-1200_cpu_1211c
- Siemens Simatic_s7-1200_cpu_1211c_firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- productcert@siemens.com (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-37185?
- CVE-2021-37185 is a high-severity vulnerability in Siemens Simatic_drive_controller_cpu_1504d_tf, classified under Operation on a Resource after Expiration or Release. CVSS score: 7.5/10. Published 2022-02-09.
- How severe is CVE-2021-37185?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-37185 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.