#VU46518 Incorrect default permissions in SIMATIC RTLS Locating Manager - CVE-2020-10049

Vulnerability identifier: #VU46518

Vulnerability risk: Low

CVSSv4.0: 5.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/U:Clear]

CVE-ID: CVE-2020-10049

CWE-ID: CWE-276

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
SIMATIC RTLS Locating Manager
Server applications / SCADA systems

Vendor: Siemens

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions for files and folders that are set by the application within the start-stop scripts. A local user can include arbitrary commands that are executed when services are started or stopped interactively by system administrators.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SIMATIC RTLS Locating Manager: before 2.10.2

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External links
https://ics-cert.us-cert.gov/advisories/icsa-20-252-01

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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.