{"id":"CVE-2020-13602","state":"PUBLISHED","title":"Remote Denial of Service in LwM2M do_write_op_tlv","description":"Remote Denial of Service in LwM2M do_write_op_tlv. Zephyr versions >= 1.14.2, >= 2.2.0 contain Improper Input Validation (CWE-20), Loop with Unreachable Exit Condition ('Infinite Loop') (CWE-835). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-g9mg-fj58-6fqh","publishedAt":"2021-05-24T21:40:29.344Z","updatedAt":"2024-09-17T02:56:50.405Z","severity":{"score":4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","source":"zephyr"},"assigner":"zephyr","products":["zephyrproject-rtos zephyr"],"affected":[{"vendor":"zephyrproject-rtos","product":"zephyr","versions":[{"version":"1.14.2","status":"affected","lessThan":"unspecified","versionType":"custom"},{"version":"2.2.0","status":"affected","lessThan":"unspecified","versionType":"custom"}]}],"references":["http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-g9mg-fj58-6fqh"],"weaknesses":["CWE-20","CWE-835"],"ingestedAt":"2026-10-29T19:46:30.825Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/13xxx/CVE-2020-13602.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-13602","state":"PUBLISHED","datePublished":"2021-05-24T21:40:29.344Z","dateUpdated":"2024-09-17T02:56:50.405Z","assignerShortName":"zephyr","assignerOrgId":"e2e69745-5e70-4e92-8431-deb5529a81ad","dateReserved":"2020-05-26T00:00:00.000Z"},"containers":{"cna":{"title":"Remote Denial of Service in LwM2M do_write_op_tlv","descriptions":[{"lang":"en","value":"Remote Denial of Service in LwM2M do_write_op_tlv. Zephyr versions >= 1.14.2, >= 2.2.0 contain Improper Input Validation (CWE-20), Loop with Unreachable Exit Condition ('Infinite Loop') (CWE-835). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-g9mg-fj58-6fqh"}],"affected":[{"vendor":"zephyrproject-rtos","product":"zephyr","versions":[{"version":"1.14.2","status":"affected","lessThan":"unspecified","versionType":"custom"},{"version":"2.2.0","status":"affected","lessThan":"unspecified","versionType":"custom"}]}],"references":[{"url":"http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-g9mg-fj58-6fqh","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":4,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","description":"Improper Input Validation (CWE-20)","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-835","description":"Loop with Unreachable Exit Condition ('Infinite Loop') (CWE-835)","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"zephyr","dateUpdated":"2021-05-24T21:40:29.000Z","orgId":"e2e69745-5e70-4e92-8431-deb5529a81ad"},"datePublic":"2020-06-25T00:00:00.000Z","source":{"defect":["https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-g9mg-fj58-6fqh"]},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"vulnerabilities@zephyrproject.org","DATE_PUBLIC":"2020-06-25T00:00:00.000Z","ID":"CVE-2020-13602","STATE":"PUBLIC","TITLE":"Remote Denial of Service in LwM2M do_write_op_tlv"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"zephyr","version":{"version_data":[{"version_affected":">=","version_value":"1.14.2"},{"version_affected":">=","version_value":"2.2.0"}]}}]},"vendor_name":"zephyrproject-rtos"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Remote Denial of Service in LwM2M do_write_op_tlv. Zephyr versions >= 1.14.2, >= 2.2.0 contain Improper Input Validation (CWE-20), Loop with Unreachable Exit Condition ('Infinite Loop') (CWE-835). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-g9mg-fj58-6fqh"}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":4,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","environmentalScore":4,"integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","temporalScore":4,"userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Improper Input Validation (CWE-20)"}]},{"description":[{"lang":"eng","value":"Loop with Unreachable Exit Condition ('Infinite Loop') (CWE-835)"}]}]},"references":{"reference_data":[{"name":"http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-g9mg-fj58-6fqh","refsource":"MISC","url":"http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-g9mg-fj58-6fqh"}]},"source":{"defect":["https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-g9mg-fj58-6fqh"]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-g9mg-fj58-6fqh","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T12:25:16.207Z"}}]}}}