CVE-2019-10939 : A vulnerability has been identified in TIM 3V-IE (incl. SIPLUS NET variants) (Al

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.

Published 2020-04-14 20:15:14

Updated 2020-10-05 16:48:29

Source Siemens AG

View at NVD, CVE.org

Products affected by CVE-2019-10939

Siemens » Tim 4r-ie Firmware
Versions before (<) 3.3
cpe:2.3:o:siemens:tim_4r-ie_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Siemens » Tim 4r-ie » Version: N/A
Siemens » Tim 4r-ie Dnp3 Firmware
Versions before (<) 3.3
cpe:2.3:o:siemens:tim_4r-ie_dnp3_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Siemens » Tim 4r-ie Dnp3 » Version: N/A
Siemens » Tim 3v-ie Firmware
Versions before (<) 2.8
cpe:2.3:o:siemens:tim_3v-ie_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Siemens » Tim 3v-ie » Version: N/A
Siemens » Tim 3v-ie Advanced Firmware
Versions before (<) 2.8
cpe:2.3:o:siemens:tim_3v-ie_advanced_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Siemens » Tim 3v-ie Advanced » Version: N/A
Siemens » Tim 3v-ie Dnp3 Firmware
Versions before (<) 2.8
cpe:2.3:o:siemens:tim_3v-ie_dnp3_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Siemens » Tim 3v-ie Dnp3 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2019-10939

EPSS FAQ

0.17%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 53 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-10939

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.8	MEDIUM	AV:N/AC:M/Au:N/C:P/I:P/A:P	8.6	6.4	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2019-10939

CWE-489 Active Debug Code

The product is deployed to unauthorized actors with debugging code still enabled or active, which can create unintended entry points or expose sensitive information.

Assigned by: productcert@siemens.com (Secondary)

References for CVE-2019-10939

https://cert-portal.siemens.com/productcert/pdf/ssa-359303.pdf

Vendor Advisory

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Vulnerability Details : CVE-2019-10939

Products affected by CVE-2019-10939

Exploit prediction scoring system (EPSS) score for CVE-2019-10939

CVSS scores for CVE-2019-10939

CWE ids for CVE-2019-10939

References for CVE-2019-10939