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Vulnerability · Published Dec 12, 2023 · Assigned by siemens

CVE-2022-47374

High 7.5

In plain English

A high-severity security flaw in SIMATIC PC-Station Plus from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.7%top 45.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Siemens SIMATIC PC-Station Plus All versions
Siemens SIMATIC S7-400 CPU 412-2 PN V7 All versions
Siemens SIMATIC S7-400 CPU 414-3 PN/DP V7 All versions
Siemens SIMATIC S7-400 CPU 414F-3 PN/DP V7 All versions
Siemens SIMATIC S7-400 CPU 416-3 PN/DP V7 All versions
Siemens SIMATIC S7-400 CPU 416F-3 PN/DP V7 All versions
Siemens SINAMICS S120 (incl. SIPLUS variants) All versions < V5.2 SP3 HF15
Siemens SIPLUS S7-400 CPU 414-3 PN/DP V7 All versions
Siemens SIPLUS S7-400 CPU 416-3 PN/DP V7 All versions

Weakness: CWE-674 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C

References