high
7.5
CWE
416
Advisory Published
Updated

CVE-2023-46156: Use After Free

First published: Tue Dec 12 2023(Updated: )

Affected devices improperly handle specially crafted packets sent to port 102/tcp. This could allow an attacker to create a denial of service condition. A restart is needed to restore normal operations.

Credit: productcert@siemens.com

Affected SoftwareAffected VersionHow to fix
All of
Siemens SIMATIC Drive Controller CPU 1504D TF<3.1.0
Siemens SIMATIC Drive Controller Firmware
All of
Siemens SIMATIC Drive Controller CPU 1507D TF Firmware<3.1.0
Siemens SIMATIC Drive Controller CPU 1507D TF Firmware
All of
Siemens SIMATIC ET 200SP Open Controller 1515SP PC2 Firmware
Siemens SIMATIC ET 200SP Open Controller 1515SP PC2
All of
Siemens SIMATIC S7-1500 CPU<3.1.0
Siemens SIMATIC S7-1500 CPU 1510SP F-1 PN Firmware
All of
Siemens SIMATIC S7-1500 CPU 1510SP-1 PN<3.1.0
Siemens SIMATIC S7-1500 CPU 1510SP-1
All of
Siemens SIMATIC S7-1500 CPU 1511-1 PN<3.1.0
Siemens SIMATIC S7-1500 CPU 1511-1
All of
Siemens SIMATIC S7-1500 CPU 1511C-1<3.1.0
Siemens SIMATIC S7-1500 CPU 1511C-1
All of
Siemens SIMATIC S7-1500 CPU 1511F-1 Firmware<3.1.0
Siemens SIMATIC S7-1511F-1 PN CPU
All of
Siemens SIMATIC S7-1500 CPU 1511T-1 PN<3.1.0
Siemens SIMATIC S7-1500 CPU 1511T-1 Firmware
All of
Siemens SIMATIC S7-1500 CPU 1511TF-1 PN<3.1.0
Siemens SIMATIC S7-1500 CPU 1511TF-1 PN Firmware
All of
Siemens SIMATIC S7-1500 CPU 1512C-1 PN<3.1.0
Siemens SIMATIC S7-1512C-1 PN CPU
All of
Siemens CPU 1512SP F-1 PN Firmware<3.1.0
Siemens SIMATIC S7-1500 CPU 1512SPF-1 Firmware
All of
Siemens SIMATIC S7-1500 CPU 1512SP-1 PN<3.1.0
Siemens SIMATIC S7-1500 CPU 1512SP-1
All of
Siemens SIMATIC S7-1500 CPU 1513-1 PN firmware<3.1.0
siemens SIMATIC S7-1500 CPU 1513-1 PN firmware
All of
Siemens SIMATIC S7-1513F-1 PN CPU
Siemens SIMATIC S7-1500 CPU 1513f-1 PN<3.1.0
All of
Siemens CPU 1513R-1 PN
Siemens SIMATIC S7-1500 CPU 1513R-1<3.1.0
All of
Siemens SIMATIC S7-1500 CPU 1514SPT F-2 PN Firmware
Siemens Simatic S7-1500 CPU 1514SP F-2 PN<3.1.0
All of
Siemens Simatic S7-1500 CPU 1514SP-2 PN
Siemens Simatic S7-1500 CPU 1514SP-2 PN<3.1.0
All of
Siemens SIMATIC S7-1500 CPU 1514SPT F-2 PN Firmware
Siemens SIMATIC S7-1500 CPU 1514SPT F-2 PN<3.1.0
All of
Siemens SIMATIC S7-1500 CPU 1514SPT-2 PN Firmware
Siemens Simatic S7-1500 CPU 1514SP-2 PN<3.1.0
All of
Siemens SIMATIC S7-1500 CPU 1515-2
Siemens Simatic S7-1500 CPU 1515-2 Firmware<3.1.0
All of
Siemens SIMATIC S7-1515F-2 PN CPU
Siemens SIMATIC S7-1515F-2 PN CPU<3.1.0
All of
Siemens Simatic S7-1500 CPU 1515R-2 Firmware
Siemens Simatic S7-1500 CPU 1515R-2 Firmware<3.1.0
All of
Siemens Simatic S7-1500 CPU 1515T-2 Firmware
Siemens Simatic S7-1500 CPU 1515T-2 PN<3.1.0
All of
Siemens SIMATIC S7-1500 CPU 1515TF-2
Siemens SIMATIC S7-1500 CPU 1515TF-2 PN<3.1.0
All of
Siemens SIMATIC S7-1500 CPU 1516-3 PN/DP
Siemens SIMATIC S7-1500 CPU 1516-3 PN/DP Firmware<3.1.0
All of
Siemens SIMATIC S7-1500 CPU 1516F-3 PN/DP Firmware<3.1.0
Siemens SIMATIC S7-1500 CPU 1516f-3 PN/DP
All of
Siemens Simatic S7-1500 CPU 1516T-3 PN/DP Firmware<3.1.0
Siemens Simatic S7-1500 CPU 1516T-3 PN/DP
All of
siemens SIMATIC S7-1500 CPU 1517-3 pn/dp firmware<3.1.0
Siemens SIMATIC S7-1500 CPU 1517-3 PN/DP
All of
siemens SIMATIC S7-1500 CPU 1517f-3 pn/dp firmware<3.1.0
Siemens SIMATIC S7-1500 CPU 1517f-3 PN/DP
All of
Siemens SIMATIC S7-1500 CPU 1517H-3 PN<3.1.0
Siemens SIPLUS S7-1500 CPU 1517H-3 PN
All of
Siemens Simatic S7-1500 CPU 1517T-3 PN/DP Firmware<3.1.0
Siemens SIMATIC S7-1500 CPU 1517T-3 PN/DP
All of
Siemens SIMATIC S7-1500 CPU 1517TF-3 PN/DP Firmware<3.1.0
Siemens SIMATIC S7-1500 CPU 1517TF-3 PN/DP
All of
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP Firmware<3.1.0
Siemens Simatic S7-1500 CPU 1518-4 PN/DP MFP
All of
Siemens SIMATIC S7-1500 CPU 1518f-4 pn/dp firmware<3.1.0
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP
All of
Siemens SIPLUS S7-1500 CPU 1518HF-4 PN Firmware<3.1.0
Siemens Siplus S7-1500 CPU 1518HF-4 PN
All of
Siemens Simatic S7-1500 CPU 1518T-4 PN/DP Firmware<3.1.0
Siemens Simatic S7-1500 CPU 1518T-4 PN/DP
All of
Siemens Simatic S7-1500 CPU 1518TF-4 PN/DP Firmware<3.1.0
Siemens Simatic S7-1500 CPU 1518TF-4 PN/DP
All of
Siemens Simatic S7-1500 CPU S7-1518-4 PN/DP ODK Firmware<3.1.0
Siemens Simatic S7-1500 CPU S7-1518-4 PN/DP ODK
All of
Siemens Simatic S7-1500 CPU S7-1518F-4 PN/DP ODK Firmware<3.1.0
Siemens Simatic S7-1500 CPU S7-1518F-4 PN/DP ODK
All of
Siemens Simatic S7-1500 ET 200pro=_cpu_1513pro_f-2_pn_firmware
Siemens Simatic S7-1500 ET 200pro=_cpu_1513pro_f-2_pn
All of
Siemens Simatic S7-1500 ET 200pro=_cpu_1513pro-2_pn_firmware
Siemens Simatic S7-1500 ET 200pro=_cpu_1513pro-2_pn
All of
Siemens Simatic S7-1500 ET 200pro=_cpu_1516pro_f-2_pn_firmware
Siemens Simatic S7-1500 ET 200pro=_cpu_1516pro_f-2_pn
All of
Siemens Simatic S7-1500 ET 200pro=cpu_1516pro-2_pn_firmware
Siemens Simatic S7-1500 ET 200pro=_cpu_1516pro-2_pn
All of
Siemens S7-1500 Modular Controllers
Siemens S7-1500 Controller
All of
Siemens SIMATIC S7 PLCSIM Advanced Firmware<6.0
Siemens SIMATIC S7-PLCSIM Advanced Firmware
All of
Siemens SIPLUS CPU 1510SP F-1PN Firmware
Siemens SIPLUS CPU 1510SP F-1PN
All of
Siemens Siplus ET 200SP CPU 1510SP F-1 PN Rail
Siemens SIPLUS CPU 1510SP F-1PN
All of
Siemens SIPLUS ET 200SP CPU 1510SP-1 PN Rail
Siemens Siplus ET 200SP CPU 1510SP F-1 PN Rail
All of
Siemens SIPLUS ET 200SP CPU 1510SP-1 PN Rail
Siemens SIPLUS ET 200SP CPU 1510SP-1 PN
All of
Siemens SIPLUS ET 200SP CPU 1512SP F-1 PN Firmware
Siemens SIPLUS ET 200SP CPU 1512SP F-1 PN
All of
Siemens SIPLUS ET 200SP CPU 1512SP F-1 PN Firmware
Siemens SIPLUS ET 200SP CPU 1512SP F-1 PN Firmware
All of
Siemens SIPLUS ET 200SP CPU 1512SP-1 PN Firmware
Siemens SIPLUS CPU 1512SP-1 PN
All of
Siemens Siplus ET 200SP CPU 1512SP-1 PN Firmware
Siemens Siplus ET 200SP CPU 1512SP-1 PN Firmware
All of
Siemens S7-1500 CPU firmware
Siemens SIPLUS S7-1500 CPU
All of
Siemens SIPLUS S7-1500 CPU 1511-1 PN T1 Rail
Siemens SIPLUS S7-1500 CPU 1511-1 PN
All of
Siemens SIPLUS S7-1500 CPU 1511-1 PN TX Rail
Siemens SIPLUS S7-1500 CPU 1511-1 PN
All of
Siemens S7-1500 CPU firmware
Siemens CPU 1511F-1 PN
All of
Siemens SIPLUS CPU 1513-1 PN Firmware
Siemens Siplus S7-1500 CPU 1513-1 PN Firmware
All of
Siemens SIPLUS CPU 1513F-1 PN Firmware
Siemens SIPLUS S7-1500 CPU 1513F-1 PN Firmware
All of
Siemens S7-1500 CPU firmware
Siemens SIPLUS S7-1500 CPU
All of
Siemens SIPLUS S7-1500 CPU 1515F-2 PN/DP Rail Firmware
Siemens SIPLUS S7-1500 CPU
All of
Siemens SIPLUS S7-1500 CPU 1515F-2 PN T2 Rail
Siemens SIPLUS S7-1500 CPU 1515F-2 PN
All of
Siemens Simatic S7-1500 CPU 1515R-2 Firmware
Siemens SIPLUS S7-1500 CPU
All of
Siemens SIPLUS S7-1500 CPU 1515R-2 PN
Siemens SIPLUS S7-1500 CPU 1515R-2 PN
All of
Siemens SIPLUS S7-1500 CPU 1516-3 PN/DP Firmware
Siemens Siplus S7-1500 CPU 1516-3 PN/DP
All of
Siemens SIPLUS S7-1500 CPU 1516-3 PN/DP TX Rail Firmware
Siemens Siplus S7-1500 CPU 1516-3 PN/DP TX Rail
All of
Siemens SipLUS S7-1500 CPU 1516F-3 PN/DP Firmware
Siemens Siplus S7-1500 CPU 1516F-3 PN/DP
All of
Siemens Siplus S7-1500 CPU 1516F-3 PN/DP Rail Firmware
Siemens SIPLUS S7-1500 CPU 1516F-3 PN/DP Rail
All of
Siemens S7-1500 CPU firmware
Siemens SIPLUS S7-1500 CPU
All of
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP Firmware<3.1.0
Siemens Siplus S7-1500 CPU 1518-4 PN/DP
All of
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP Firmware<3.1.0
Siemens Siplus S7-1500 CPU 1518-4 PN/DP MFP
All of
Siemens Siplus S7-1500 CPU 1518F-4 PN/DP Firmware<3.1.0
Siemens SIPLUS S7-1500 CPU 1518F-4 PN/DP
All of
Siemens S7-1500 CPU firmware
Siemens SIPLUS S7-1500 CPU 1518HF-4 PN Firmware
All of
Siemens Sinumerik MC MCU 1720
Siemens Sinumerik MC MCU 1720
All of
Siemens Sinumerik One Firmware
Siemens Sinumerik One

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2023-46156?

    CVE-2023-46156 has a severity level that can lead to a denial of service condition.

  • How do I fix CVE-2023-46156?

    To mitigate CVE-2023-46156, it is recommended to update the affected Siemens firmware to the latest version.

  • What devices are affected by CVE-2023-46156?

    CVE-2023-46156 affects various Siemens SIMATIC devices, particularly those with firmware versions below 3.1.0.

  • What kind of attack can exploit CVE-2023-46156?

    An attacker can exploit CVE-2023-46156 by sending specially crafted packets to port 102/tcp.

  • Does mitigating CVE-2023-46156 require a system restart?

    Yes, restoring normal operations after an attack exploiting CVE-2023-46156 requires a restart of the affected system.

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