CVE-2020-15782

CRITICAL

SIMATIC Drive Controller < V2.9.2 - Memory Protection Bypass via Port 102/tcp

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Patch, Vendor Advisory x_refsource_misc
https://cert-portal.siemens.com/productcert/pdf/ssa-434534.pdf

Scores

CVSS v3 9.8
EPSS 0.0030
EPSS Percentile 53.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (6)
siemens/et_200sp_open_controller_firmware
siemens/s7-1200_cpu_firmware < 4.5.0
siemens/s7-1500_cpu_firmware < 2.9.2
siemens/simatic_driver_controller_firmware < 2.9.2
siemens/simatic_s7-1500__software_controller
siemens/simatic_s7-plcsim_advanced < 4.0
Published May 28, 2021
Tracked Since Feb 18, 2026