CVE-2022-47374

highpriority · track · 0EPSS 0.007 · 54 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.72% (54th) EPSS

CVSS 7.5 · high

Is it mine?

52 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · cisa_csaf_ot

EPSS · scored 2026-10-26

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedSINAMICS S120 (incl. SIPLUS variants)siemens_psirt
Update to V5.2 SP3 HF15 or later version
https://support.industry.siemens.com/cs/ww/en/view/109780844/
FixedSINAMICS S120 (incl. SIPLUS variants)cisa_csaf_ot
Update to V5.2 SP3 HF15 or later version
https://support.industry.siemens.com/cs/ww/en/view/109780844/
Workaround SIMATIC S7-400 CPU 414-3 PN/DP V7 (6ES7414-3EM07-0AB0)siemens_psirt
Disable the web server of the affected system
Workaround SIMATIC S7-400 CPU 414F-3 PN/DP V7 (6ES7414-3FM07-0AB0)siemens_psirt
Disable the web server of the affected system
Workaround SIMATIC S7-400 CPU 416-3 PN/DP V7 (6ES7416-3ES07-0AB0)siemens_psirt
Disable the web server of the affected system
Workaround SIMATIC S7-400 CPU 416F-3 PN/DP V7 (6ES7416-3FS07-0AB0)siemens_psirt
Disable the web server of the affected system
WorkaroundSIMATIC S7-400 CPU 412-2 PN V7 (6ES7412-2EK07-0AB0)siemens_psirt
Disable the web server of the affected system
WorkaroundSIMATIC PC-Station Plussiemens_psirt
Disable the web server of the affected system
WorkaroundSINAMICS S120 (incl. SIPLUS variants)siemens_psirt
Disable the web server of the affected system
WorkaroundSIPLUS S7-400 CPU 414-3 PN/DP V7 (6AG1414-3EM07-7AB0)siemens_psirt
Disable the web server of the affected system
WorkaroundSIPLUS S7-400 CPU 416-3 PN/DP V7 (6AG1416-3ES07-7AB0)siemens_psirt
Disable the web server of the affected system
Workaround SIMATIC S7-400 CPU 414-3 PN/DP V7 (6ES7414-3EM07-0AB0)cisa_csaf_ot
Disable the web server of the affected system
Workaround SIMATIC S7-400 CPU 414F-3 PN/DP V7 (6ES7414-3FM07-0AB0)cisa_csaf_ot
Disable the web server of the affected system
Workaround SIMATIC S7-400 CPU 416-3 PN/DP V7 (6ES7416-3ES07-0AB0)cisa_csaf_ot
Disable the web server of the affected system
Workaround SIMATIC S7-400 CPU 416F-3 PN/DP V7 (6ES7416-3FS07-0AB0)cisa_csaf_ot
Disable the web server of the affected system
WorkaroundSIMATIC S7-400 CPU 412-2 PN V7 (6ES7412-2EK07-0AB0)cisa_csaf_ot
Disable the web server of the affected system
WorkaroundSIMATIC PC-Station Pluscisa_csaf_ot
Disable the web server of the affected system
WorkaroundSINAMICS S120 (incl. SIPLUS variants)cisa_csaf_ot
Disable the web server of the affected system
WorkaroundSIPLUS S7-400 CPU 414-3 PN/DP V7 (6AG1414-3EM07-7AB0)cisa_csaf_ot
Disable the web server of the affected system
WorkaroundSIPLUS S7-400 CPU 416-3 PN/DP V7 (6AG1416-3ES07-7AB0)cisa_csaf_ot
Disable the web server of the affected system
No fix planned SIMATIC S7-400 CPU 414-3 PN/DP V7 (6ES7414-3EM07-0AB0)siemens_psirt
Currently no fix is planned
No fix planned SIMATIC S7-400 CPU 414F-3 PN/DP V7 (6ES7414-3FM07-0AB0)siemens_psirt
Currently no fix is planned
No fix planned SIMATIC S7-400 CPU 416-3 PN/DP V7 (6ES7416-3ES07-0AB0)siemens_psirt
Currently no fix is planned
No fix planned SIMATIC S7-400 CPU 416F-3 PN/DP V7 (6ES7416-3FS07-0AB0)siemens_psirt
Currently no fix is planned
No fix plannedSIMATIC S7-400 CPU 412-2 PN V7 (6ES7412-2EK07-0AB0)siemens_psirt
Currently no fix is planned
No fix plannedSIMATIC PC-Station Plussiemens_psirt
Currently no fix is planned
No fix plannedSIPLUS S7-400 CPU 414-3 PN/DP V7 (6AG1414-3EM07-7AB0)siemens_psirt
Currently no fix is planned
No fix plannedSIPLUS S7-400 CPU 416-3 PN/DP V7 (6AG1416-3ES07-7AB0)siemens_psirt
Currently no fix is planned
No fix planned SIMATIC S7-400 CPU 414-3 PN/DP V7 (6ES7414-3EM07-0AB0)cisa_csaf_ot
Currently no fix is planned
No fix planned SIMATIC S7-400 CPU 414F-3 PN/DP V7 (6ES7414-3FM07-0AB0)cisa_csaf_ot
Currently no fix is planned
No fix planned SIMATIC S7-400 CPU 416-3 PN/DP V7 (6ES7416-3ES07-0AB0)cisa_csaf_ot
Currently no fix is planned
No fix planned SIMATIC S7-400 CPU 416F-3 PN/DP V7 (6ES7416-3FS07-0AB0)cisa_csaf_ot
Currently no fix is planned
No fix plannedSIMATIC S7-400 CPU 412-2 PN V7 (6ES7412-2EK07-0AB0)cisa_csaf_ot
Currently no fix is planned
No fix plannedSIMATIC PC-Station Pluscisa_csaf_ot
Currently no fix is planned
No fix plannedSIPLUS S7-400 CPU 414-3 PN/DP V7 (6AG1414-3EM07-7AB0)cisa_csaf_ot
Currently no fix is planned
No fix plannedSIPLUS S7-400 CPU 416-3 PN/DP V7 (6AG1416-3ES07-7AB0)cisa_csaf_ot
Currently no fix is planned

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:Csecondary · CISA US

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:Csecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · productcert@siemens.com DEexploitability 3.9 · impact 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-674USCWE-674USCWE-674US

affected products (52)

Products and version ranges known to be affected.

Siemens SIMATIC S7 400all versionscert_bundDEcpe:/h:siemens:simatic_s7:400
SIMATIC S7-400 CPU 414-3 PN/DP V7 (6ES7414-3EM07-0AB0)all versionscisa_csaf_otUS
SIMATIC S7-400 CPU 414F-3 PN/DP V7 (6ES7414-3FM07-0AB0)all versionscisa_csaf_otUS
SIMATIC S7-400 CPU 416-3 PN/DP V7 (6ES7416-3ES07-0AB0)all versionscisa_csaf_otUS
SIMATIC S7-400 CPU 416F-3 PN/DP V7 (6ES7416-3FS07-0AB0)all versionscisa_csaf_otUS
SIMATIC S7-400 CPU 412-2 PN V7 (6ES7412-2EK07-0AB0)all versionscisa_csaf_otUS
SIMATIC PC-Station Plusall versionscisa_csaf_otUS
SINAMICS S120 (incl. SIPLUS variants)all versionscisa_csaf_otUS
SIPLUS S7-400 CPU 414-3 PN/DP V7 (6AG1414-3EM07-7AB0)all versionscisa_csaf_otUS
SIPLUS S7-400 CPU 416-3 PN/DP V7 (6AG1416-3ES07-7AB0)all versionscisa_csaf_otUS
Siemens SIMATIC S7-400 CPU 414-3 PN/DP V7 (6ES7414-3EM07-0AB0)≤ vers:all/*cisa_csaf_otUS
Siemens SIMATIC S7-400 CPU 414F-3 PN/DP V7 (6ES7414-3FM07-0AB0)≤ vers:all/*cisa_csaf_otUS
Siemens SIMATIC S7-400 CPU 416-3 PN/DP V7 (6ES7416-3ES07-0AB0)≤ vers:all/*cisa_csaf_otUS
Siemens SIMATIC S7-400 CPU 416F-3 PN/DP V7 (6ES7416-3FS07-0AB0)≤ vers:all/*cisa_csaf_otUS
Siemens SIMATIC S7-400 CPU 412-2 PN V7 (6ES7412-2EK07-0AB0)≤ vers:all/*cisa_csaf_otUS
Siemens SIMATIC PC-Station Plus≤ vers:all/*cisa_csaf_otUS
Siemens SINAMICS S120 (incl. SIPLUS variants)< V5.2_SP3_HF15cisa_csaf_otUS
Siemens SIPLUS S7-400 CPU 414-3 PN/DP V7 (6AG1414-3EM07-7AB0)≤ vers:all/*cisa_csaf_otUS
Siemens SIPLUS S7-400 CPU 416-3 PN/DP V7 (6AG1416-3ES07-7AB0)≤ vers:all/*cisa_csaf_otUS
Siemens SIMATIC S7-400 CPU 412-2 PN V7≤ All versionsenisa_euvdEU

showing 20 of 52

advisories (3)

Vendor and ecosystem advisories describing this.

SSA-892915SSA-892915: Multiple Denial of Service Vulnerabilities in the Webserver of Industrial Products2023-12-12csaf · siemens_psirtDE
Multiple vulnerabilities in the affected products could allow an unauthorized attacker with network access to the webserver to perform a denial of service attack. Siemens has released a new version for SINAMICS S120 (incl. SIPLUS variants) and recommends to update to the latest version. Siemens recommends specific countermeasures for products where fixes are not, or not yet available.
WID-SEC-W-2023-3101Siemens SIMATIC S7-400 CPU: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2023-12-11csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Siemens SIMATIC S7-400 CPUs ausnutzen, um einen Denial of Service Angriff durchzuführen.
ICSA-23-348-05Siemens SIMATIC and SIPLUS Products2023-12-12icsa · cisa_csaf_otUS
Multiple vulnerabilities in the affected products could allow an unauthorized attacker with network access to the webserver to perform a denial of service attack. Siemens has released a new version for SINAMICS S120 (incl. SIPLUS variants) and recommends to update to the latest version. Siemens recommends specific countermeasures for products where fixes are not, or not yet available.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund cisa_csaf_ot siemens_psirt NVD CVE.org MITRE

published 2023-12-12modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

scry

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