CVE-2022-47374

moderate-risk

Published 2023-12-12

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.

Do I need to act?

0.22% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.5/10 High

NETWORK / LOW complexity

Affected Products (20)

6Es7412-2Ek07-0Ab0 Firmware

6Es7414-3Em07-0Ab0 Firmware

6Es7414-3Fm07-0Ab0 Firmware

6Es7416-3Es07-0Ab0 Firmware

6Es7416-3Fs07-0Ab0 Firmware

6Ag1414-3Em07-7Ab0 Firmware

6Ag1416-3Es07-7Ab0 Firmware

Sinamics S120 Firmware

Affected Vendors

Siemens

References (2)

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

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moderate-risk

Severity 26/34 · High

Exploitability 1/34 · Minimal

Exposure 21/34 · High