CVE-2022-47374

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.22%
Vendor Advisory siemens.com
Affected: Siemens SIMATIC PC-Station Plus
Affected: Siemens SIMATIC S7-400 CPU 412-2 PN V7
Affected: Siemens SIMATIC S7-400 CPU 414-3 PN/DP V7
Affected: Siemens SIMATIC S7-400 CPU 414F-3 PN/DP V7
Affected: Siemens SIMATIC S7-400 CPU 416-3 PN/DP V7
Affected: Siemens SIMATIC S7-400 CPU 416F-3 PN/DP V7
Affected: Siemens SINAMICS S120 (incl. SIPLUS variants)
Affected: Siemens SIPLUS S7-400 CPU 414-3 PN/DP V7
Affected: Siemens SIPLUS S7-400 CPU 416-3 PN/DP V7
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2022-47374?
CVE-2022-47374 has been scored as a high severity vulnerability.
How to fix CVE-2022-47374?
To fix CVE-2022-47374, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-47374 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-47374 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-47374?
CVE-2022-47374 affects Siemens SIMATIC PC-Station Plus, Siemens SIMATIC S7-400 CPU 412-2 PN V7, Siemens SIMATIC S7-400 CPU 414-3 PN/DP V7, Siemens SIMATIC S7-400 CPU 414F-3 PN/DP V7, Siemens SIMATIC S7-400 CPU 416-3 PN/DP V7, Siemens SIMATIC S7-400 CPU 416F-3 PN/DP V7, Siemens SINAMICS S120 (incl. SIPLUS variants), Siemens SIPLUS S7-400 CPU 414-3 PN/DP V7, Siemens SIPLUS S7-400 CPU 416-3 PN/DP V7.
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