Improper input validation in Siemens Apogee Mec/mbc/pxc (P2)
CVE-2019-13939
A vulnerability has been identified in APOGEE MEC/MBC/PXC (P2) (All versions < V2.8.2), APOGEE PXC Compact (BACnet) (All versions < V3.5.3), APOGEE PXC Compact (P2 Ethernet) (All versions >= V2.8.2 < V2.8.19), APOGEE PXC Modular (BACnet) (All versions < V3.5.3), APOGEE PXC Modular (P2 Ethernet) (All versions >= V2.8.2 < V2.8.19), Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), Desigo PXC00-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC00-U (All versions >= V2.3x and < V6.00.327), Desigo PXC001-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC100-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC12-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC128-U (All versions >= V2.3x and < V6.00.327), Desigo PXC200-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC22-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC22.1-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC36.1-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC50-E.D (All versions >= V2.3 < V6.0.327), Desigo PXC64-U (All versions >= V2.3x and < V6.00.327), Desigo PXM20-E (All versions >= V2.3 < V6.0.327), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.3), Nucleus Source Code (All versions), SIMOTICS CONNECT 400 (All versions < V0.3.0.330), TALON TC Compact (BACnet) (All versions < V3.5.3), TALON TC Modular (BACnet) (All versions < V3.5.3). By sending specially crafted DHCP packets to a device where the DHCP client is enabled, an attacker could change the IP address of the device to an invalid value.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.007 (51.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.
Affected products
- Siemens Apogee Mec/mbc/pxc (P2) — versions All versions < V2.8.2
- Siemens Apogee_modular_building_controller
- Siemens Apogee_modular_building_controller_firmware
- Siemens Apogee_modular_equiment_controller
- Siemens Apogee_modular_equiment_controller_firmware
- Siemens Apogee_pxc
- Siemens Apogee Pxc Compact (Bacnet) — versions 0
- Siemens Apogee Pxc Compact (P2 Ethernet) — versions V2.8.2
- Siemens Apogee_pxc_firmware
- Siemens Apogee Pxc Modular (Bacnet) — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- productcert@siemens.com (x_refsource_MISC, Vendor Advisory)
- productcert@siemens.com (x_refsource_CONFIRM, Vendor Advisory)
- productcert@siemens.com (US Government Resource, Third Party Advisory, x_refsource_MISC)
- productcert@siemens.com
- productcert@siemens.com
Frequently asked questions
- What is CVE-2019-13939?
- CVE-2019-13939 is a high-severity vulnerability in Siemens Apogee Mec/mbc/pxc (P2), classified under Improper Input Validation. CVSS score: 7.1/10. Published 2020-01-16.
- How severe is CVE-2019-13939?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2019-13939 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.