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
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsSIMATIC 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- cpe:2.3:a:siemens:simatic_hmi_comfort_panels:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_hmi_ktp400_basic:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_hmi_ktp700_basic:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_hmi_ktp900:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_hmi_ktp1200:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_hmi_ktp_mobile_panels:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:siplus_hmi_ktp400_basic:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:siplus_hmi_ktp700_basic:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:siplus_hmi_ktp900_basic:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:siplus_hmi_ktp1200_basic:*:*:*:*:*:*:*:*
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.
