#VU56674 Permissions, Privileges, and Access Controls in Siemens products - CVE-2021-37175

Vulnerability identifier: #VU56674

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-37175

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
RUGGEDCOM ROX MX5000
Hardware solutions / Firmware
RUGGEDCOM ROX RX1400
Hardware solutions / Firmware
RUGGEDCOM ROX RX1500
Hardware solutions / Firmware
RUGGEDCOM ROX RX1501
Hardware solutions / Firmware
RUGGEDCOM ROX RX1510
Hardware solutions / Firmware
RUGGEDCOM ROX RX1511
Hardware solutions / Firmware
RUGGEDCOM ROX RX1512
Hardware solutions / Firmware
RUGGEDCOM ROX RX1524
Hardware solutions / Firmware
RUGGEDCOM ROX RX1536
Hardware solutions / Firmware
RUGGEDCOM ROX RX5000
Hardware solutions / Firmware

Vendor: Siemens

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the affected devices do not properly handle permissions to traverse the file system. A remote authenticated attacker can gain access to an overview of the overview of the complete file system on the affected devices.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

RUGGEDCOM ROX MX5000: before 2.14.1

RUGGEDCOM ROX RX1400: before 2.14.1

RUGGEDCOM ROX RX1500: before 2.14.1

RUGGEDCOM ROX RX1501: before 2.14.1

RUGGEDCOM ROX RX1510: before 2.14.1

RUGGEDCOM ROX RX1511: before 2.14.1

RUGGEDCOM ROX RX1512: before 2.14.1

RUGGEDCOM ROX RX1524: before 2.14.1

RUGGEDCOM ROX RX1536: before 2.14.1

RUGGEDCOM ROX RX5000: before 2.14.1

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External links
https://cert-portal.siemens.com/productcert/pdf/ssa-150692.pdf

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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