CVE-2022-47374

7.5 HIGH 0.7% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of service disruption.
Exploit odds: 0.7% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2023-12-12 12:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 05:13 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.7% in the next 30 days (EPSS).
Severity: 7.5 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2023-12-12 12:15 UTC
Last modified: 2026-06-17 05:13 UTC
Exploit probability: 0.7% · EPSS, next 30 days
Weakness: CWE-674
Record status: Modified

Affected

Siemens 6es7412-2ek07-0ab0 Firmware
Siemens 6es7414-3em07-0ab0 Firmware
Siemens 6es7414-3fm07-0ab0 Firmware
Siemens 6es7416-3es07-0ab0 Firmware
Siemens 6es7416-3fs07-0ab0 Firmware
Siemens 6ag1414-3em07-7ab0 Firmware
Siemens 6ag1416-3es07-7ab0 Firmware
Siemens Sinamics s120 Firmware

Attack profile CVSS 3.1 · 7.5

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2022-47374.md and follow it. Check whether this project is affected by CVE-2022-47374. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record