Vulnerability identifier: #VU23596

Vulnerability risk: Medium

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2019-18337

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SiNVR 3 Central Control Server (CCS)
Server applications / SCADA systems

Vendor: Siemens

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in the XML-based communication protocol as provided by default on ports 5444/tcp and 5440/tcp. A remote attacker can bypass authentication process and read the CCS users database, including the passwords of all users in obfuscated cleartext.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

SiNVR 3 Central Control Server (CCS): All versions

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External links
http://cert-portal.siemens.com/productcert/pdf/ssa-761617.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 Internet.

Is there known malware, which exploits this vulnerability?

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