CVE-2019-10939

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.43%
Vendor Advisory siemens.com
Affected: Siemens AG TIM 3V-IE (incl. SIPLUS NET variants)
Affected: Siemens AG TIM 3V-IE Advanced (incl. SIPLUS NET variants)
Affected: Siemens AG TIM 3V-IE DNP3 (incl. SIPLUS NET variants)
Affected: Siemens AG TIM 4R-IE (incl. SIPLUS NET variants)
Affected: Siemens AG TIM 4R-IE DNP3 (incl. SIPLUS NET variants)
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-359303.pdf vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-10939?
CVE-2019-10939 has been scored as a critical severity vulnerability.
How to fix CVE-2019-10939?
To fix CVE-2019-10939, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-10939 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-10939 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-10939?
CVE-2019-10939 affects Siemens AG TIM 3V-IE (incl. SIPLUS NET variants), Siemens AG TIM 3V-IE Advanced (incl. SIPLUS NET variants), Siemens AG TIM 3V-IE DNP3 (incl. SIPLUS NET variants), Siemens AG TIM 4R-IE (incl. SIPLUS NET variants), Siemens AG TIM 4R-IE DNP3 (incl. SIPLUS NET variants).
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