high
7.5
CWE
674
Advisory Published
Updated

CVE-2022-47374

First published: Tue Dec 12 2023(Updated: )

A vulnerability has been identified in SIMATIC PC-Station Plus (All versions), SIMATIC S7-400 CPU 412-2 PN V7 (All versions), SIMATIC S7-400 CPU 414-3 PN/DP V7 (All versions), SIMATIC S7-400 CPU 414F-3 PN/DP V7 (All versions), SIMATIC S7-400 CPU 416-3 PN/DP V7 (All versions), SIMATIC S7-400 CPU 416F-3 PN/DP V7 (All versions), SINAMICS S120 (incl. SIPLUS variants) (All versions < V5.2 SP3 HF15), SIPLUS S7-400 CPU 414-3 PN/DP V7 (All versions), SIPLUS S7-400 CPU 416-3 PN/DP V7 (All versions). The affected products do not handle HTTP(S) requests to the web server correctly. This could allow an attacker to exhaust system resources and create a denial of service condition for the device.

Credit: productcert@siemens.com

Affected SoftwareAffected VersionHow to fix
All of
Siemens 6ES7412-2EK07-0AB0
Siemens 6ES7412-2EK07-0AB0 Firmware
All of
Siemens 6ES7414-3EM07-0AB0
Siemens 6ES7414-3EM07-0AB0 Firmware
All of
Siemens 6ES7414-3FM07-0AB0
Siemens 6ES7414-3FM07-0AB0 Firmware
All of
Siemens 6ES7416-3ES07-0AB0
Siemens 6ES7416-3ES07-0AB0 Firmware
All of
Siemens 6ES7416-3FS07-0AB0
Siemens 6ES7416-3FS07-0AB0 Firmware
All of
Siemens 6AG1414-3EM07-7AB0 Firmware
Siemens 6AG1414-3EM07-7AB0 Firmware
All of
Siemens 6AG1416-3ES07-7AB0
Siemens 6AG1416-3ES07-7AB0 Firmware
All of
Any of
Siemens Sinamics S120
Siemens Sinamics S120=4.7
Siemens Sinamics S120=4.8
Siemens Sinamics S120=4.9
Siemens Sinamics S120=5.0
Siemens Sinamics S120=5.1-sp1
Siemens Sinamics S120=5.1-sp1_hotfix1
Siemens Sinamics S120=5.1-sp1_hotfix13
Siemens Sinamics S120=5.2
Siemens Sinamics S120=5.2-hotfix1
Siemens Sinamics S120=5.2-hotfix11
Siemens Sinamics S120=5.2-hotfix7
Siemens Sinamics S120=5.2-sp3
Siemens Sinamics S120=5.2-sp3_hotfix1
Siemens Sinamics S120=5.2-sp3_hotfix13
Siemens Sinamics S120=5.2-sp3_hotfix6
Siemens Sinamics S120=5.2-sp3_hotfix9
Siemens Sinamics S120 Firmware
All of
Siemens SIMATIC PC-Station Plus Firmware
Siemens SIMATIC PC-Station Plus Firmware

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2022-47374?

    CVE-2022-47374 has been assigned a high severity rating due to its potential impact on system integrity and confidentiality.

  • How do I fix CVE-2022-47374?

    To remediate CVE-2022-47374, users should update their Siemens firmware to the latest versions provided by the vendor.

  • Which Siemens products are affected by CVE-2022-47374?

    CVE-2022-47374 affects multiple products including various versions of SIMATIC PC-Station Plus and the S7-400 series CPUs.

  • What potential risks are associated with CVE-2022-47374?

    The risks associated with CVE-2022-47374 include unauthorized access and possible manipulation of device commands.

  • Is there a patch available for CVE-2022-47374?

    Yes, Siemens has released patches for CVE-2022-47374 that users are advised to implement immediately.

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