{"containers":{"cna":{"providerMetadata":{"orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","shortName":"siemens","dateUpdated":"2023-08-08T09:20:05.489Z"},"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 V4 (All versions < V4.1.0), Nucleus Source Code (Versions including affected DNS modules), SIMOTICS CONNECT 400 (All versions < V0.5.0.0), TALON TC Compact (BACnet) (All versions < V3.5.5), TALON TC Modular (BACnet) (All versions < V3.5.5). The DNS domain name record decompression functionality does not properly validate the pointer offset values. The parsing of malformed responses could result in a read access past the end of an allocated structure. An attacker with a privileged position in the network could leverage this vulnerability to cause a denial-of-service condition."}],"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 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":"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:H/PR:N/UI:N/S:U/C:L/I:N/A:H/E:P/RL:O/RC:C","baseScore":6.5,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-788","description":"CWE-788: Access of Memory Location After End of Buffer","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":"2024-08-04T16:18:45.774Z"},"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-2020-27738","datePublished":"2021-04-22T20:42:20.000Z","dateReserved":"2020-10-26T00:00:00.000Z","dateUpdated":"2024-08-04T16:18:45.774Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}