CVE-2020-28388: medium-severity vulnerability in Siemens APOGEE PXC Compact (BACnet)
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 1.4%
A vulnerability has been identified in APOGEE PXC Compact (BACnet) (All versions < V3.5.5), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.20), APOGEE PXC Modular (BACnet) (All versions < V3.5.5), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.20), Nucleus NET (All versions < V5.2), Nucleus ReadyStart V3 (All versions < V2012.12), Nucleus Source Code (All versions), PLUSCONTROL 1st Gen (All versions), TALON TC Compact (BACnet) (All versions < V3.5.5), TALON TC Modular (BACnet) (All versions < V3.5.5). Initial Sequence Numbers (ISNs) for TCP connections are derived from an insufficiently random source. As a result, the ISN of current and future TCP connections could be predictable. An attacker could hijack existing sessions or spoof future ones.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:O/RC:C
Affected products
Siemens · APOGEE PXC Compact (BACnet)Siemens · APOGEE PXC Compact (P2 Ethernet)Siemens · APOGEE PXC Modular (BACnet)Siemens · APOGEE PXC Modular (P2 Ethernet)Siemens · Nucleus NETSiemens · Nucleus ReadyStart V3Siemens · Nucleus Source CodeSiemens · PLUSCONTROL 1st GenSiemens · TALON TC Compact (BACnet)Siemens · TALON TC Modular (BACnet)Related CVEs — Siemens APOGEE PXC Compact (BACnet)
In the same product, most dangerous first.