CWE
119
Advisory Published
Updated

CVE-2020-15782: Buffer Overflow

First published: Fri May 28 2021(Updated: )

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.

Credit: productcert@siemens.com

Affected SoftwareAffected VersionHow to fix
Siemens Simatic Drive Controller CPU 1507D TF Firmware<2.9.2
Siemens CPU 1504D TF Firmware
Siemens CPU 1507D TF Firmware
Siemens Simatic S7-1200 CPU Firmware<4.5.0
Siemens CPU 1211C Firmware
Siemens CPU 1212C
Siemens CPU 1212FC
Siemens SIMATIC S7-1200 CPU 1214C
Siemens CPU 1214FC Firmware
Siemens CPU 1215C
Siemens CPU 1215FC Firmware
Siemens CPU 1217C
Siemens SIMATIC S7-1500 CPU Firmware<2.9.2
Siemens 6ES7510-1DJ01-0AB0
Siemens SIMATIC S7-1500 CPU 6ES7510-1SJ01-0AB0
Siemens 6ES7511-1AK01-0AB0
Siemens SIMATIC S7-1500 CPU 1511-1 PN 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 SIMATIC S7-1500, 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 SIMATIC S7-1500 Controller 6ES7515-2AM02-0AB0
Siemens 6ES7515-2FM01-0AB0
Siemens 6ES7515-2FM02-0AB0
Siemens 6ES7515-2RM00-0AB0
Siemens 6ES7515-2TM01-0AB0
Siemens 6ES7515-2UM01-0AB0
Siemens SIMATIC S7-1500, CPU 1516-2 PN
Siemens 6ES7516-2PN00-0AB0
Siemens 6ES7516-3AN01-0AB0
Siemens 6ES7516-3AN02-0AB0
Siemens 6ES7516-3FN01-0AB0
Siemens 6ES7516-3FN02-0AB0
Siemens 6ES7516-3TN00-0AB0
Siemens 6ES7516-3UN00-0AB0
Siemens 6ES7517-3AP00-0AB0
Siemens 6ES7517-3FP00-0AB0
Siemens 6ES7517-3HP00-0AB0
Siemens 6ES7517-3TP00-0AB0
Siemens 6ES7517-3UP00-0AB0
Siemens 6ES7518-4AP00-0AB0
Siemens 6ES7518-4AP00-3AB0
Siemens 6ES7518-4FP00-0AB0
Siemens 6ES7518-4FP00-3AB0
Siemens SIMATIC S7-1500 Software Controller
siemens SIMATIC S7-PLCSIM Advanced<4.0
Siemens SIMATIC ET 200SP Open Controller firmware
Siemens CPU 1515SP PC2 TF
Siemens CPU 1515SP PC2 TF

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Frequently Asked Questions

  • What is the severity of CVE-2020-15782?

    CVE-2020-15782 is rated as a high severity vulnerability due to the potential for remote exploitation.

  • How do I fix CVE-2020-15782?

    To fix CVE-2020-15782, update affected Siemens SIMATIC Drive Controllers and related devices to the latest firmware version 2.9.2 or higher.

  • Which devices are impacted by CVE-2020-15782?

    CVE-2020-15782 affects various versions of Siemens SIMATIC Drive Controllers, including All versions less than 2.9.2.

  • Is CVE-2020-15782 a remote vulnerability?

    Yes, CVE-2020-15782 can be exploited remotely, allowing unauthorized users to potentially manipulate the affected devices.

  • What are the potential consequences of CVE-2020-15782?

    Exploitation of CVE-2020-15782 could lead to unauthorized access, data manipulation, and disruption of control system operations.

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