Vulnerability identifier: #VU29926

Vulnerability risk: Medium

CVSSv3.1: 5.4 [CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P/RL:U/RC:C]

CVE-ID: CVE-2020-7592

CWE-ID: CWE-319

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
SIMATIC HMI KTP700F
Server applications / SCADA systems
SIMATIC WinCC Runtime Advanced
Server applications / SCADA systems
SIMATIC HMI Basic Panels 1st Generation
Server applications / SCADA systems
SIMATIC HMI Basic Panels 2nd Generation
Server applications / SCADA systems
SIMATIC HMI Comfort Panels
Server applications / SCADA systems
SIMATIC HMI Mobile Panels 2nd Generation
Server applications / SCADA systems

Vendor: Siemens

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to software uses insecure communication channel to transmit sensitive information. A remote attacker with ability to intercept network traffic can gain access to sensitive data.

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

Vulnerable software versions

SIMATIC HMI KTP700F: All versions

SIMATIC WinCC Runtime Advanced: All versions

SIMATIC HMI Basic Panels 1st Generation: All versions

SIMATIC HMI Basic Panels 2nd Generation: All versions

SIMATIC HMI Comfort Panels: All versions

SIMATIC HMI Mobile Panels 2nd Generation: All versions

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External links
http://cert-portal.siemens.com/productcert/pdf/ssa-364335.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. However, proof of concept for this vulnerability is available.