Business Logic Errors in Siemens SIMOTICS, Desigo, APOGEE, and TALON
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-13939 |
| CWE-ID | CWE-840 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| 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 |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Business Logic Errors
EUVDB-ID: #VU26962
Risk: Low
CVSSv4.0: 5 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2019-13939
CWE-ID:
CWE-840 - Business Logic Errors (3.0)
Exploit availability: No
DescriptionThe 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
Install updates from vendor's website.
Vulnerable software versionsAPOGEE 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
CPE2.3- cpe:2.3:h:siemens:apogee_mec:*:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:apogee_mbc:*:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:apogee_pxc:*:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:apogee_pcx:*:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:desigo_pxc:*:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:desigo_pxm20:*:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simotics_connect_400:*:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:talon_tc_series:*:*:*:*:*:*:*:*
https://cert-portal.siemens.com/productcert/pdf/ssa-162506.pdf
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.
