SB2020060312 - Improper access control in SWARCO CPU LS4000
Published: June 3, 2020
Security Bulletin ID
SB2020060312
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper access control (CVE-ID: CVE-2020-12493)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to an open port used for debugging grants root access to the device without access control. A remote attacker can bypass implemented security restrictions, gain unauthorized access to the device and disturb operations with connected devices.
Remediation
Install update from vendor's website.