CVE-2021-31888
A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions < V3.5.4), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.19), APOGEE PXC Modular (BACnet) (All versions < V3.5.4), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.19), Desigo PXC00-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC00-U (All versions >= V2.3 and < V6.30.016), Desigo PXC001-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC100-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC12-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC128-U (All versions >= V2.3 and < V6.30.016), Desigo PXC200-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC22-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC22.1-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC36.1-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC50-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC64-U (All versions >= V2.3 and < V6.30.016), Desigo PXM20-E (All versions >= V2.3 and < V6.30.016), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus Source Code (All versions), TALON TC Compact (BACnet) (All versions < V3.5.4), TALON TC Modular (BACnet) (All versions < V3.5.4). FTP server does not properly validate the length of the “MKD/XMKD” command, leading to stack-based buffer overflows. This may result in Denial-of-Service conditions and Remote Code Execution. (FSMD-2021-0018)
- Score
- CVSS 3.1 8.8 High
- Status
- Modified - productcert@siemens.com
- Published
- 2021-11-09
- Last modified
- 2024-08-03
- Weaknesses
- CWE-170, CWE-787
Affected products
- Apogee Mbc Ppc Bacnet (Siemens)
- Apogee Mbc Ppc P2 Ethernet (Siemens)
- Apogee Mec Ppc Bacnet (Siemens)
- Apogee Mec Ppc P2 Ethernet (Siemens)
- Apogee Modular Building Controller Firmware (Siemens)
- Apogee Modular Equiment Controller Firmware (Siemens)
- Apogee Pxc Compact Bacnet (Siemens)
- Apogee Pxc Compact Firmware (Siemens)
- Apogee Pxc Compact P2 Ethernet (Siemens)
- Apogee Pxc Modular Bacnet (Siemens)
- Apogee Pxc Modular Firmware (Siemens)
- Apogee Pxc Modular P2 Ethernet (Siemens)
- Desigo Pxc00-e.d (Siemens)
- Desigo Pxc00-e.d Firmware (Siemens)
- Desigo Pxc00-u (Siemens)
- Desigo Pxc00-u Firmware (Siemens)
- Desigo Pxc001-e.d (Siemens)
- Desigo Pxc001-e.d Firmware (Siemens)
- Desigo Pxc100-e.d (Siemens)
- Desigo Pxc100-e.d Firmware (Siemens)
- Desigo Pxc12-e.d (Siemens)
- Desigo Pxc12-e.d Firmware (Siemens)
- Desigo Pxc128-u (Siemens)
- Desigo Pxc128-u Firmware (Siemens)
- Desigo Pxc200-e.d (Siemens)
- Desigo Pxc200-e.d Firmware (Siemens)
- Desigo Pxc22-e.d (Siemens)
- Desigo Pxc22-e.d Firmware (Siemens)
- Desigo Pxc22.1-e.d (Siemens)
- Desigo Pxc22.1-e.d Firmware (Siemens)
- Desigo Pxc36.1-e.d (Siemens)
- Desigo Pxc36.1-e.d Firmware (Siemens)
- Desigo Pxc50-e.d (Siemens)
- Desigo Pxc50-e.d Firmware (Siemens)
- Desigo Pxc64-u (Siemens)
- Desigo Pxc64-u Firmware (Siemens)
- Desigo Pxm20-e (Siemens)
- Desigo Pxm20-e Firmware (Siemens)
- Nucleus Net (Siemens)
- Nucleus Readystart V3 (Siemens)
- Nucleus Source Code (Siemens)
- Talon Tc Compact Bacnet (Siemens)
- Talon Tc Compact Firmware (Siemens)
- Talon Tc Modular Bacnet (Siemens)
- Talon Tc Modular Firmware (Siemens)
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf