#VU82362 Improper access control in Bosch Rexroth products

Vulnerability identifier: #VU82362

Vulnerability risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
ctrlX WR21 HMI - WR21 (WR2107)
Hardware solutions / Other hardware appliances
ctrlX WR21 HMI - WR21 (WR2110)
Hardware solutions / Other hardware appliances
ctrlX WR21 HMI - WR21 (WR2115)
Hardware solutions / Other hardware appliances

Vendor: Bosch Rexroth

Description

The vulnerability allows a local attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions when the Kiosk mode is used in conjunction with Google Chrome. An attacker with physical access can bypass implemented security restrictions and gain full root access.

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

Vulnerable software versions

ctrlX WR21 HMI - WR21 (WR2107): All versions

ctrlX WR21 HMI - WR21 (WR2110): All versions

ctrlX WR21 HMI - WR21 (WR2115): All versions

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External links
https://psirt.bosch.com/security-advisories/bosch-sa-175607.html

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Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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