Denial of service in Siemens SIMATIC HMI Panels



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
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 Siemens

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU68121

Risk: Medium

CVSSv4.0: 6.6 [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/E:U/U:Green]

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

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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###