Resource exhaustion in Siemens products - CVE-2022-25622
Published: April 20, 2022
Vulnerability identifier: #VU62458
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-25622
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
SIMATIC CFU DIQ
SIMATIC CFU PA
SIMATIC S7-300
SIMATIC S7-400 H V6
SIMATIC S7-410 V8
SIMATIC S7-410 V10
SIMATIC WinAC RTX
SIMIT Simulation Platform
SIMATIC S7-1500
SIMATIC S7-400 PN/DP V7
SIMATIC TDC CP51M1
SIMATIC TDC CPU555
SIMATIC CFU DIQ
SIMATIC CFU PA
SIMATIC S7-300
SIMATIC S7-400 H V6
SIMATIC S7-410 V8
SIMATIC S7-410 V10
SIMATIC WinAC RTX
SIMIT Simulation Platform
SIMATIC S7-1500
SIMATIC S7-400 PN/DP V7
SIMATIC TDC CP51M1
SIMATIC TDC CPU555
Software vendor:
Siemens
Siemens
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the PROFINET (PNIO) stack, when integrated with the Interniche IP stack does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.