CVE-2021-31885
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 1.2%
exploitation probability
1.2%top 32% of all CVEs
observed exploitation
nono source reports it
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 ReadyStart V4 (All versions < V4.1.1), Nucleus Source Code (All versions), PLUSCONTROL 1st Gen (All versions), TALON TC Compact (BACnet) (All versions < V3.5.4), TALON TC Modular (BACnet) (All versions < V3.5.4). TFTP server application allows for reading the contents of the TFTP memory buffer via sending malformed TFTP commands. (FSMD-2021-0009)
Affected products
Siemens · APOGEE MBC (PPC) (BACnet)Siemens · APOGEE MBC (PPC) (P2 Ethernet)Siemens · APOGEE MEC (PPC) (BACnet)Siemens · APOGEE MEC (PPC) (P2 Ethernet)Siemens · APOGEE PXC Compact (BACnet)Siemens · APOGEE PXC Compact (P2 Ethernet)Siemens · APOGEE PXC Modular (BACnet)Siemens · APOGEE PXC Modular (P2 Ethernet)Siemens · Desigo PXC001-E.DSiemens · Desigo PXC00-E.DSiemens · Desigo PXC00-USiemens · Desigo PXC100-E.DSiemens · Desigo PXC128-USiemens · Desigo PXC12-E.DSiemens · Desigo PXC200-E.DSiemens · Desigo PXC22.1-E.DSiemens · Desigo PXC22-E.DSiemens · Desigo PXC36.1-E.DSiemens · Desigo PXC50-E.DSiemens · Desigo PXC64-USiemens · Desigo PXM20-ESiemens · Nucleus NETSiemens · Nucleus ReadyStart V3Siemens · Nucleus ReadyStart V4Siemens · Nucleus Source CodeSiemens · PLUSCONTROL 1st GenSiemens · TALON TC Compact (BACnet)Siemens · TALON TC Modular (BACnet)