Vulnerability identifier: #VU15894

Vulnerability risk: Low

CVSSv3.1: 3.5 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-13811

CWE-ID: CWE-200

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
SIMATIC STEP 7 (TIA Portal)
Server applications / SCADA systems

Vendor: Siemens

Description

The vulnerability allows a local unauthenticated attacker to obtain potentially sensitive information.

The vulnerability exists due to insufficient computational effort in password hashes. A remote attacker can gain access to a project file and reconstruct passwords.

Mitigation
Update to version 15.1.

Vulnerable software versions

SIMATIC STEP 7 (TIA Portal): All versions

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External links
http://ics-cert.us-cert.gov/advisories/ICSA-18-317-06

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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.