CVE-2020-15782

State: Published
Severity: 9.8 Critical
Published: May 28, 2021
Updated: Jun 2, 2026
Reserved: Jul 15, 2020

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Affected Products

Product	Versions
SIMATIC Drive Controller familySiemens	All versions < V2.9.2Affected
SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants)Siemens	All versionsAffected
SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)Siemens	All versions < V21.9Affected
SIMATIC S7-1200 CPU family (incl. SIPLUS variants)Siemens	All versions < V4.5.0Affected
SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants)Siemens	All versions < V2.9.2Affected
SIMATIC S7-1500 Software ControllerSiemens	All versions < V21.9Affected
SIMATIC S7-PLCSIM AdvancedSiemens	All versions < V4.0Affected
SINAMICS PERFECT HARMONY GH180 DrivesSiemens	Drives manufactured before 2021-08-13Affected
SINUMERIK MCSiemens	All versions < V6.15Affected
SINUMERIK ONESiemens	All versions < V6.15Affected

References

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