Improper access control in PLCNext AXC F 2152

1) Improper access control

EUVDB-ID: #VU18693

Risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-10998

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows an attacker to gain unauthorized access to sensitive information.

The vulnerability exists due to improper access restrictions when an attacker with physical access to the device can manipulate SD card data. An attacker can bypass the authentication of the device.

Vulnerability affects following PLCNext AXC F 2152 products:

• AXC F 2152: article number 2404267
• AXC F 2152: article number 1046568 (Starterkit)

Mitigation

Install updates from vendor's website.

Vulnerable software versions

PLCNext AXC F 2152: 1.0.0 - 1.20

External links

http://ics-cert.us-cert.gov/advisories/ICSA-19-155-01

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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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