CVE-2022-47374 Information

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.

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5