{"containers":{"cna":{"providerMetadata":{"orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","shortName":"siemens","dateUpdated":"2025-03-11T09:47:43.750Z"},"descriptions":[{"lang":"en","value":"A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303). When processing a DHCP ACK message, the DHCP client application does not validate the length of the Vendor option(s), leading to Denial-of-Service conditions. (FSMD-2021-0013)"}],"affected":[{"vendor":"Siemens","product":"Capital Embedded AR Classic 431-422","versions":[{"status":"affected","version":"0","lessThan":"*","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"Capital Embedded AR Classic R20-11","versions":[{"status":"affected","version":"0","lessThan":"V2303","versionType":"custom"}],"defaultStatus":"unknown"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-119","description":"CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer","type":"CWE"}]}],"references":[{"tags":["x_refsource_MISC"],"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf"},{"tags":["x_refsource_MISC"],"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf"},{"tags":["x_refsource_MISC"],"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-620288.pdf"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-114589.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-044112.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-620288.html"}]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T23:10:30.182Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-620288.pdf"}]}]},"cveMetadata":{"assignerOrgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","assignerShortName":"siemens","cveId":"CVE-2021-31883","datePublished":"2021-11-09T11:31:56.000Z","dateReserved":"2021-04-29T00:00:00.000Z","dateUpdated":"2025-03-11T09:47:43.750Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}