Denial of service in Siemens SIMATIC HMI Panels



Published: 2022-10-11
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-40227
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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SIMATIC HMI Comfort Panels
Server applications / SCADA systems

SIMATIC HMI KTP400 Basic
Server applications / SCADA systems

SIMATIC HMI KTP700 Basic
Server applications / SCADA systems

SIMATIC HMI KTP900
Server applications / SCADA systems

SIMATIC HMI KTP1200
Server applications / SCADA systems

SIMATIC HMI KTP Mobile Panels
Server applications / SCADA systems

SIPLUS HMI KTP400 BASIC
Server applications / SCADA systems

SIPLUS HMI KTP700 BASIC
Server applications / SCADA systems

SIPLUS HMI KTP900 BASIC
Server applications / SCADA systems

SIPLUS HMI KTP1200 BASIC
Server applications / SCADA systems

Vendor

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU68121

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2022-40227

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted TCP packet to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SIMATIC HMI Comfort Panels: before 17 Update 4

SIMATIC HMI KTP400 Basic: before 17 Update 5

SIMATIC HMI KTP700 Basic: before 17 Update 5

SIMATIC HMI KTP900: before 17 Update 5

SIMATIC HMI KTP1200: before 17 Update 5

SIMATIC HMI KTP Mobile Panels: before 17 Update 4

SIPLUS HMI KTP400 BASIC: before 17 Update 5

SIPLUS HMI KTP700 BASIC: before 17 Update 5

SIPLUS HMI KTP900 BASIC: before 17 Update 5

SIPLUS HMI KTP1200 BASIC: before 17 Update 5


CPE2.3
External links

http://cert-portal.siemens.com/productcert/pdf/ssa-384224.pdf

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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