Vulnerability identifier: #VU50644

Vulnerability risk: Low

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

CVE-ID: CVE-2020-10048

CWE-ID: CWE-287

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
SIMATIC PCS 7
Server applications / SCADA systems
Siemens SIMATIC WinCC
Server applications / SCADA systems

Vendor: Siemens

Description

The vulnerability allows a local attacker to bypass authentication process.

The vulnerability exists due to an insecure password verification process. A local attacker can access to protected content without authentication.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SIMATIC PCS 7: All versions

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External links
http://cert-portal.siemens.com/productcert/pdf/ssa-944678.pdf

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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