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        "cveId": "CVE-2020-28388",
        "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "assignerShortName": "siemens",
        "dateUpdated": "2026-06-02T20:14:56.054Z",
        "dateReserved": "2020-11-10T00:00:00.000Z",
        "datePublished": "2021-02-09T00:00:00.000Z"
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                "dateUpdated": "2023-08-08T09:20:06.562Z"
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                    "value": "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."
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                            "lang": "en",
                            "cweId": "CWE-342",
                            "description": "CWE-342: Predictable Exact Value from Previous Values",
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                {
                    "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-362164.pdf"
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                    "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-436469.pdf"
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                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-362164.pdf",
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            {
                "metrics": [
                    {
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                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-06-02T19:29:04.600159Z",
                                "id": "CVE-2020-28388",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
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                                        "Automatable": "yes"
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                                        "Technical Impact": "partial"
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                                "role": "CISA Coordinator",
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                "title": "CISA ADP Vulnrichment",
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