OS Command Injection in Siemens Siveillance OIS

1) OS Command Injection

EUVDB-ID: #VU56640

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-31891

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Desigo CC: All versions

GMA-Manager: All versions

Operation Scheduler: All versions

Siveillance Control: All versions

Siveillance Control Pro: All versions

Siveillance OIS: before 2.5.3

CPE2.3

• cpe:2.3:a:siemens:desigo_cc:*:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:gma-manager:*:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:operation_scheduler:*:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:siveillance_control:*:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:siveillance_control_pro:*:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:siveillance_ois:*:*:*:*:*:*:*:*

External links

https://cert-portal.siemens.com/productcert/pdf/ssa-535380.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.