Remote code execution in Siemens Desigo CC Family
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-37181 |
| CWE-ID | CWE-502 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Desigo CC Server applications / SCADA systems Desigo CC Compact Server applications / SCADA systems Cerberus DMS Server applications / SCADA systems |
| Vendor | Siemens |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Deserialization of Untrusted Data
EUVDB-ID: #VU56626
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37181
CWE-ID:
CWE-502 - Deserialization of Untrusted Data
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized data in the CCOM communication component. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsDesigo CC: 4.0 - 5.0
Desigo CC Compact: 4.0 - 5.0
Cerberus DMS: 4.0 - 5.0
External linkshttp://cert-portal.siemens.com/productcert/pdf/ssa-453715.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.
