SCADA Vulnerabilities & Exposures (SVE)

CRITIFENCE® SCADA Vulnerabilities and Exposures Database (SVE)

[SVE-878542006] Siemens SWT3000

Date Type Platform Author EDB-ID CVE-ID OSVDB-ID Download App SIS Signature
2017-11-30OtherSiemensSiemens reported these vulnerabilities to ICS-CERT.N/ACVE-2016-4784 CVE-2016-4785 CVE-2016-7112 CVE-2016-7113 CVE-2016N/AN/AN/A

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# Siemens SWT3000
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### VULNERABLE VENDOR
Siemens


### VULNERABLE PRODUCT
SWT3000 


### RESEARCHER
Siemens reported these vulnerabilities to ICS-CERT.


### AFFECTED PRODUCTS
Siemens reports that the vulnerabilities affect the following SWT 3000 Teleprotection system products:

EN100 for SWT3000 (iSWT3000):

IEC 61850 firmware: All versions prior to V4.29.01
TPOP firmware: All versions prior to V01.01.00



### IMPACT
Successful exploitation of these vulnerabilities under certain conditions may allow attackers to perform a denial-of-service attack.


### VULNERABILITY OVERVIEW
IMPROPER AUTHENTICATION CWE-287
The integrated web server (Port 80/TCP) of the affected devices could allow remote attackers to obtain sensitive device information if network access was obtained.
SWT3000 with TPOP is not affected by this vulnerability.
CVE-2016-4784 has been assigned to this vulnerability.
A CVSS v3 base score of 5.3 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)


IMPROPER AUTHENTICATION CWE-287
The integrated web server (Port 80/TCP) of the affected devices could allow remote attackers to obtain a limited amount of device memory content if network access was obtained.
SWT3000 with TPOP is not affected by this vulnerability.
CVE-2016-4785 has been assigned to this vulnerability.
A CVSS v3 base score of 5.3 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)


AUTHENTICATION BYPASS USING AN ALTERNATE PATH OR CHANNEL CWE-288
Attackers with network access to the device’s web interface (Port 80/TCP) could possibly circumvent authentication and perform certain administrative operations.
CVE-2016-7112 has been assigned to this vulnerability.
A CVSS v3 base score of 5.3 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)


IMPROPER INPUT VALIDATION CWE-20
Specially crafted packets sent to Port 80/TCP could cause the affected EN100 module of the SWT3000 to go into defect mode.
CVE-2016-7113 has been assigned to this vulnerability.
A CVSS v3 base score of 5.3 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)


AUTHENTICATION BYPASS USING AN ALTERNATE PATH OR CHANNEL CWE-288
Attackers with network access to the device’s web interface (Port 80/TCP) could possibly circumvent authentication and perform certain administrative operations.
A legitimate user must be logged into the web interface for the attack to be successful.
CVE-2016-7114 has been assigned to this vulnerability.
A CVSS v3 base score of 4.3 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)





### BACKGROUND
Critical Infrastructure Sectors: Energy
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Germany




### MITIGATION

Siemens has provided updated firmware that fixes the vulnerabilities for the following affected products and recommends users update to the newest version:

SWT3000:

IEC61850 firmware: Update to V4.29.01
TPOP firmware: Update to V01.01.00
To obtain the firmware please contact the Customer Support Center:

support.energy@siemens.com


Siemens recommends users protect network access with appropriate mechanisms. Siemens also advises that users configure the operational environment according to Siemens’ Operational Guidelines for Industrial Security:

https://www.siemens.com/cert/operational-guidelines-industrial-security


Please note that not all of the devices above are affected by all vulnerabilities. For more information on these vulnerabilities and more detailed mitigation instructions, please see Siemens Security Advisory SSA-350846 at the following location:

http://www.siemens.com/cert/advisories