{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2020-28388","assignerOrgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","assignerShortName":"siemens","dateUpdated":"2024-08-04T16:33:58.999Z","dateReserved":"2020-11-10T00:00:00.000Z","datePublished":"2021-02-09T00:00:00.000Z"},"containers":{"cna":{"providerMetadata":{"orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","shortName":"siemens","dateUpdated":"2023-08-08T09:20:06.562Z"},"descriptions":[{"lang":"en","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."}],"affected":[{"vendor":"Siemens","product":"APOGEE PXC Compact (BACnet)","versions":[{"version":"All versions < V3.5.5","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"APOGEE PXC Compact (P2 Ethernet)","versions":[{"version":"All versions < V2.8.20","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"APOGEE PXC Modular (BACnet)","versions":[{"version":"All versions < V3.5.5","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"APOGEE PXC Modular (P2 Ethernet)","versions":[{"version":"All versions < V2.8.20","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"Nucleus NET","versions":[{"version":"All versions < V5.2","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"Nucleus ReadyStart V3","versions":[{"version":"All versions < V2012.12","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"Nucleus Source Code","versions":[{"version":"All versions","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"PLUSCONTROL 1st Gen","versions":[{"version":"All versions","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"TALON TC Compact (BACnet)","versions":[{"version":"All versions < V3.5.5","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"TALON TC Modular (BACnet)","versions":[{"version":"All versions < V3.5.5","status":"affected"}],"defaultStatus":"unknown"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"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","baseScore":6.5,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-342","description":"CWE-342: Predictable Exact Value from Previous Values","type":"CWE"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-362164.pdf"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-344238.pdf"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-436469.pdf"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-180579.pdf"}]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T16:33:58.999Z"},"title":"CVE Program Container","references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-362164.pdf","tags":["x_transferred"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-344238.pdf","tags":["x_transferred"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-436469.pdf","tags":["x_transferred"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-180579.pdf","tags":["x_transferred"]}]}]}}