9.8
CRITICAL
CVE-2019-10939
Siemens TIM Debug Port Information Disclosure
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.

INFO

Published Date :

April 14, 2020, 8:15 p.m.

Last Modified :

Nov. 21, 2024, 4:20 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2019-10939 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Siemens tim_4r-ie_firmware
2 Siemens tim_4r-ie_dnp3_firmware
3 Siemens tim_3v-ie_firmware
4 Siemens tim_3v-ie_advanced_firmware
5 Siemens tim_3v-ie_dnp3_firmware
6 Siemens tim_4r-ie
7 Siemens tim_4r-ie_dnp3
8 Siemens tim_3v-ie
9 Siemens tim_3v-ie_advanced
10 Siemens tim_3v-ie_dnp3
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-10939.

URL Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-359303.pdf Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-359303.pdf Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-10939 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-10939 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-359303.pdf
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Oct. 05, 2020

    Action Type Old Value New Value
    Removed CWE NIST CWE-20
    Added CWE NIST NVD-CWE-Other
  • Initial Analysis by [email protected]

    Apr. 15, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-359303.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-359303.pdf Vendor Advisory
    Added CWE NIST CWE-20
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:tim_3v-ie_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.8 OR cpe:2.3:h:siemens:tim_3v-ie:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:tim_3v-ie_advanced_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.8 OR cpe:2.3:h:siemens:tim_3v-ie_advanced:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:tim_4r-ie_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.3 OR cpe:2.3:h:siemens:tim_4r-ie:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:tim_3v-ie_dnp3_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.8 OR cpe:2.3:h:siemens:tim_3v-ie_dnp3:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:tim_4r-ie_dnp3_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.3 OR cpe:2.3:h:siemens:tim_4r-ie_dnp3:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-10939 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-10939 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.17 }} 0.00%

score

0.52291

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability