SB2020041518 - Active Debug Code in Siemens TIM 3V-IE and 4R-IE Family Devices
Published: April 15, 2020
Security Bulletin ID
SB2020041518
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) Active Debug Code (CVE-ID: CVE-2019-10939)
CWE-ID: CWE-489 - Active Debug Code
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/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 full control over the device.
The vulnerability exists due to the affected software contains an open debug port that is available under specific conditions. A remote attacker can exploit the debug port and takeover the target device.
Note: The vulnerability is only available if the IP address is configured to 192.168.1.2
Remediation
Install update from vendor's website.