CVE-2019-10939: siemens ag tim 3v-ie advanced (incl. siplus net variants) Active Debug Code

Vulnerability summary

CVE-2019-10939 is a critical (CVSS 9.8) Active Debug Code vulnerability in siemens ag tim 3v-ie advanced (incl. siplus net variants). EPSS estimates a 1.12% chance of exploitation in the next 30 days, higher than 65.5% of scored vulnerabilities.

Timeline

1. 14-04-2020
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability has been identified in TIM 3V-IE (incl. SIPLUS NET variants) (All versions < V2.8), TIM 3V-IE Advanced (incl. SIPLUS NET variants) (All versions < V2.8), TIM 3V-IE DNP3 (incl. SIPLUS NET variants) (All versions < V3.3), TIM 4R-IE (incl. SIPLUS NET variants) (All versions < V2.8), TIM 4R-IE DNP3 (incl. SIPLUS NET variants) (All versions < V3.3). The affected versions contain an open debug port that is available under certain specific conditions. The vulnerability is only available if the IP address is configured to 192.168.1.2. If available, the debug port could be exploited by an attacker with network access to the device. No user interaction is required to exploit this vulnerability. The vulnerability impacts confidentiality, integrity, and availability of the affected device. At the stage of publishing this security advisory no public exploitation is known.

• CWE-489Active Debug CodeThe product is released with debugging code still enabled or active.