Vulnerability identifier: #VU56664

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-37193

CWE-ID: CWE-471

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
SINEMA Remote Connect Server
Server applications / SCADA systems

Vendor:

Description

The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists due to application does not perform validation of the attacker-controlled data, assuming that data is valid and safe. A remote attacker on the local network can manipulate certain parameters and set a valid user of the affected software as invalid (or vice-versa).

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://cert-portal.siemens.com/productcert/pdf/ssa-334944.pdf

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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