Buffer overflow in Siemens products - CVE-2022-47375

Vulnerability identifier: #VU84390

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-47375

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error. A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.

SIMATIC S7-400 CPU 412-2 PN V7
SIMATIC S7-400 CPU 414-3 PN/DP V7
SIMATIC S7-400 CPU 414F-3 PN/DP V7
SIMATIC S7-400 CPU 416-3 PN/DP V7
SIMATIC S7-400 CPU 416F-3 PN/DP V7
SIMATIC PC-Station Plus
SIPLUS S7-400 CPU 414-3 PN/DP V7
SIPLUS S7-400 CPU 416-3 PN/DP V7
SINAMICS S120

Install updates from vendor's website.

SINAMICS S120 - update to 5.2 SP3 HF15

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

• Multiple vulnerabilities in Siemens Industrial Products