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CVE-2020-15782

Published: May 28, 2021Updated: Jun 2, 2026 Sources: CVE List NVD BDU csafCWE-119
9.8CRITICAL
NVD MITRE
EPSS Score
5.2%
Top 8.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-119

Affected Products

Siemens AG
commercial·DEaka siemens
simatic driver controller firmware
ICS / OT / IoT
s7-1200 cpu firmware
ICS / OT / IoT
s7-1500 cpu firmware
ICS / OT / IoT
simatic s7-1500 software controller
ICS / OT / IoT
SIMATIC S7-PLCSIM Advanced
ICS / OT / IoT
et 200sp open controller firmware
ICS / OT / IoT
SIMATIC Drive Controller
ICS / OT / IoT
SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)
ICS / OT / IoT
and 18 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2020-15782?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://cert-portal.siemens.com/productcert/pdf/ssa-434534.pdf
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/pdf/ssa-434535.pdf
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/pdf/ssa-434536.pdf
cert-portal.siemens.com
and 13 more references View all →
News mentions
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