CVE-2022-47374

Name: CVE-2022-47374
Creator: NVD / NIST
Published: 2023-12-12T12:15:10.563+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.72%

Last modified Jun 17, 2026

CVE-2022-47374 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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). EPSS estimates a 0.72% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.72%

49.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-674

Affected Software

Vendor	Product	Versions	Update
Siemens	6es7412-2ek07-0ab0 Firmware	All versions	—
Siemens	6es7414-3em07-0ab0 Firmware	All versions	—
Siemens	6es7414-3fm07-0ab0 Firmware	All versions	—
Siemens	6es7416-3es07-0ab0 Firmware	All versions	—
Siemens	6es7416-3fs07-0ab0 Firmware	All versions	—
Siemens	6ag1414-3em07-7ab0 Firmware	All versions	—
Siemens	6ag1416-3es07-7ab0 Firmware	All versions	—
Siemens	Sinamics S120 Firmware	All versions	—
Siemens	Sinamics S120 Firmware	4.7	—
Siemens	Sinamics S120 Firmware	4.8	—
Siemens	Sinamics S120 Firmware	4.9	—
Siemens	Sinamics S120 Firmware	5.0	—
Siemens	Sinamics S120 Firmware	5.1	Sp1
Siemens	Sinamics S120 Firmware	5.2	—
Siemens	Simatic Pc-Station Plus Firmware	All versions	—

References

https://cert-portal.siemens.com/productcert/pdf/ssa-892915.pdfVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-892915.pdfVendor Advisory

Timeline

Published: Dec 12, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-47374?

How severe is CVE-2022-47374?

CVE-2022-47374 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.

How do I fix CVE-2022-47374?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-47374?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST