{"id":"CVE-2021-31882","state":"PUBLISHED","title":"A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303). The DHCP client application do","description":"A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303). The DHCP client application does not validate the length of the Domain Name Server IP option(s) (0x06) when processing DHCP ACK packets. This may lead to Denial-of-Service conditions. (FSMD-2021-0011)","publishedAt":"2021-11-09T11:31:55.000Z","updatedAt":"2025-03-11T09:47:42.320Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"siemens"},"assigner":"siemens","products":["Siemens Capital Embedded AR Classic 431-422","Siemens Capital Embedded AR Classic R20-11"],"affected":[{"vendor":"Siemens","product":"Capital Embedded AR Classic 431-422","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"Capital Embedded AR Classic R20-11","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V2303","versionType":"custom"}]}],"references":["https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf","https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf","https://cert-portal.siemens.com/productcert/pdf/ssa-620288.pdf","https://cert-portal.siemens.com/productcert/html/ssa-114589.html","https://cert-portal.siemens.com/productcert/html/ssa-044112.html","https://cert-portal.siemens.com/productcert/html/ssa-620288.html"],"weaknesses":["CWE-119"],"ingestedAt":"2026-10-29T19:48:30.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/31xxx/CVE-2021-31882.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-31882","state":"PUBLISHED","datePublished":"2021-11-09T11:31:55.000Z","dateUpdated":"2025-03-11T09:47:42.320Z","assignerShortName":"siemens","assignerOrgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateReserved":"2021-04-29T00:00:00.000Z"},"containers":{"cna":{"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). The DHCP client application does not validate the length of the Domain Name Server IP option(s) (0x06) when processing DHCP ACK packets. This may lead to Denial-of-Service conditions. (FSMD-2021-0011)"}],"affected":[{"vendor":"Siemens","product":"Capital Embedded AR Classic 431-422","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"Capital Embedded AR Classic R20-11","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V2303","versionType":"custom"}]}],"references":[{"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","tags":["x_refsource_MISC"]},{"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"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-119","lang":"en","description":"CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer","type":"CWE"}]}],"providerMetadata":{"shortName":"siemens","orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateUpdated":"2025-03-11T09:47:42.320Z"}},"adp":[{"title":"CVE Program Container","references":[{"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","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T23:10:30.782Z"}}]}}}