CVE-2019-10939

Critical

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductSiemens Tim 3v-ie Firmware
PublishedApr 14, 2020
First seenApr 14, 2020
Weakness typeCWE-489CWE-489

How to fix

Update
  • siemens tim_3v-ie_firmware2.8 or later
  • siemens tim_3v-ie_advanced_firmware2.8 or later
  • siemens tim_4r-ie_firmware3.3 or later
  • siemens tim_3v-ie_dnp3_firmware2.8 or later
  • siemens tim_4r-ie_dnp3_firmware3.3 or later

Affected products

ProductAffected versionsFixed in
siemens tim_3v-ie_firmwarev < 2.82.8
siemens tim_3v-ie_advanced_firmwarev < 2.82.8
siemens tim_4r-ie_firmwarev < 3.33.3
siemens tim_3v-ie_dnp3_firmwarev < 2.82.8
siemens tim_4r-ie_dnp3_firmwarev < 3.33.3

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