{"containers":{"cna":{"providerMetadata":{"orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","shortName":"siemens","dateUpdated":"2023-08-08T09:20:07.625Z"},"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), Nucleus ReadyStart V3 (All versions < V2017.02.3), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus ReadyStart V4 (All versions < V4.1.0), Nucleus Source Code (Versions including affected DNS modules), SIMOTICS CONNECT 400 (All versions < V0.5.0.0), SIMOTICS CONNECT 400 (All versions >= V0.5.0.0 < V1.0.0.0), TALON TC Compact (BACnet) (All versions < V3.5.5), TALON TC Modular (BACnet) (All versions < V3.5.5). The DNS client does not properly randomize DNS transaction IDs. That could allow an attacker to poison the DNS cache or spoof DNS resolving."}],"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","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"Nucleus ReadyStart V3","versions":[{"version":"All versions < V2017.02.3","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"Nucleus ReadyStart V3","versions":[{"version":"All versions < V2017.02.4","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"Nucleus ReadyStart V4","versions":[{"version":"All versions < V4.1.0","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"Nucleus Source Code","versions":[{"version":"Versions including affected DNS modules","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMOTICS CONNECT 400","versions":[{"version":"All versions < V0.5.0.0","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMOTICS CONNECT 400","versions":[{"version":"All versions >= V0.5.0.0 < V1.0.0.0","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:N/E:P/RL:O/RC:C","baseScore":5.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-330","description":"CWE-330: Use of Insufficiently Random Values","type":"CWE"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-705111.pdf"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-669158.pdf"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-180579.pdf"}]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T20:11:28.339Z"},"title":"CVE Program Container","references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-705111.pdf","tags":["x_transferred"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-669158.pdf","tags":["x_transferred"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-180579.pdf","tags":["x_transferred"]}]}]},"cveMetadata":{"assignerOrgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","assignerShortName":"siemens","cveId":"CVE-2021-25677","datePublished":"2021-04-22T20:42:21.000Z","dateReserved":"2021-01-21T00:00:00.000Z","dateUpdated":"2024-08-03T20:11:28.339Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}