Vulnerability identifier: #VU26962

Vulnerability risk: Low

CVSSv3.1: 6.2 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-13939

CWE-ID: CWE-840

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
APOGEE MEC
Hardware solutions / Other hardware appliances
APOGEE MBC
Hardware solutions / Other hardware appliances
APOGEE PXC
Hardware solutions / Other hardware appliances
APOGEE PCX
Hardware solutions / Other hardware appliances
Desigo PXC
Hardware solutions / Other hardware appliances
Desigo PXM20
Hardware solutions / Other hardware appliances
SIMOTICS CONNECT 400
Hardware solutions / Other hardware appliances
TALON TC Series
Hardware solutions / Other hardware appliances

Vendor: Siemens

Description

The vulnerability allows a remote attacker to change the IP address of the device to an invalid value.

The vulnerability exists due to logical errors. A remote attacker on the local network can make device configuration changes and affect its availability.

This vulnerability affects the following products and versions:

• APOGEE MEC/MBC/PXC (P2): All versions prior to 2.8.2
• APOGEE PXC Series (BACnet): All versions, 3.0 and newer
• APOGEE PCX Series (P2): All versions, 2.8.2 and newer
• Desigo PXC (Power PC): All versions, 2.3x and newer
• Desigo PXM20 (Power PC): All versions, 2.3x and newer
• SIMOTICS CONNECT 400: All versions prior to 0.3.0.330
• TALON TC Series (BACnet): All versions, 3.0 and newer

Mitigation
Install updates from vendor's website.

Vulnerable software versions

APOGEE MEC: All versions

APOGEE MBC: All versions

APOGEE PXC: All versions

APOGEE PCX: All versions

Desigo PXC: All versions

Desigo PXM20: All versions

SIMOTICS CONNECT 400: All versions

TALON TC Series: All versions

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External links
http://cert-portal.siemens.com/productcert/pdf/ssa-162506.pdf

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.