SB2020121706 - Incorrect default permissions in Kepware LinkMaster
Published: December 17, 2020 Updated: December 21, 2020
Security Bulletin ID
SB2020121706
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Incorrect default permissions (CVE-ID: CVE-2020-13535)
The vulnerability allows a local attacker to escalate privileges on the system.
The vulnerability exists due to incorrect default permissions for files and folders that are set by the application. A local attacker can globally overwrite service configuration and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.