{"id":"CVE-2020-15112","state":"PUBLISHED","title":"Improper Input Validation in etcd","description":"In etcd before versions 3.3.23 and 3.4.10, it is possible to have an entry index greater then the number of entries in the ReadAll method in wal/wal.go. This could cause issues when WAL entries are being read during consensus as an arbitrary etcd consensus participant could go down from a runtime panic when reading the entry.","publishedAt":"2020-08-05T20:00:15.000Z","updatedAt":"2024-08-04T13:08:22.313Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["etcd-io etcd"],"affected":[{"vendor":"etcd-io","product":"etcd","versions":[{"version":"< 3.3.23","status":"affected"},{"version":"< 3.4.10","status":"affected"}]}],"references":["https://github.com/etcd-io/etcd/security/advisories/GHSA-m332-53r6-2w93","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6B6R43Y7M3DCHWK3L3UVGE2K6WWECMP/"],"weaknesses":["CWE-20"],"ingestedAt":"2026-10-29T19:46:36.523Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/15xxx/CVE-2020-15112.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-15112","state":"PUBLISHED","datePublished":"2020-08-05T20:00:15.000Z","dateUpdated":"2024-08-04T13:08:22.313Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2020-06-25T00:00:00.000Z"},"containers":{"cna":{"title":"Improper Input Validation in etcd","descriptions":[{"lang":"en","value":"In etcd before versions 3.3.23 and 3.4.10, it is possible to have an entry index greater then the number of entries in the ReadAll method in wal/wal.go. This could cause issues when WAL entries are being read during consensus as an arbitrary etcd consensus participant could go down from a runtime panic when reading the entry."}],"affected":[{"vendor":"etcd-io","product":"etcd","versions":[{"version":"< 3.3.23","status":"affected"},{"version":"< 3.4.10","status":"affected"}]}],"references":[{"url":"https://github.com/etcd-io/etcd/security/advisories/GHSA-m332-53r6-2w93","tags":["x_refsource_CONFIRM"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6B6R43Y7M3DCHWK3L3UVGE2K6WWECMP/","name":"FEDORA-2020-cd43b84c16","tags":["vendor-advisory","x_refsource_FEDORA"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","description":"CWE-20: Improper Input Validation","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","dateUpdated":"2021-01-04T02:06:12.000Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa"},"source":{"advisory":"GHSA-m332-53r6-2w93","discovery":"UNKNOWN"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2020-15112","STATE":"PUBLIC","TITLE":"Improper Input Validation in etcd"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"etcd","version":{"version_data":[{"version_value":"< 3.3.23"},{"version_value":"< 3.4.10"}]}}]},"vendor_name":"etcd-io"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"In etcd before versions 3.3.23 and 3.4.10, it is possible to have an entry index greater then the number of entries in the ReadAll method in wal/wal.go. This could cause issues when WAL entries are being read during consensus as an arbitrary etcd consensus participant could go down from a runtime panic when reading the entry."}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-20: Improper Input Validation"}]}]},"references":{"reference_data":[{"name":"https://github.com/etcd-io/etcd/security/advisories/GHSA-m332-53r6-2w93","refsource":"CONFIRM","url":"https://github.com/etcd-io/etcd/security/advisories/GHSA-m332-53r6-2w93"},{"name":"FEDORA-2020-cd43b84c16","refsource":"FEDORA","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L6B6R43Y7M3DCHWK3L3UVGE2K6WWECMP/"}]},"source":{"advisory":"GHSA-m332-53r6-2w93","discovery":"UNKNOWN"}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/etcd-io/etcd/security/advisories/GHSA-m332-53r6-2w93","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6B6R43Y7M3DCHWK3L3UVGE2K6WWECMP/","name":"FEDORA-2020-cd43b84c16","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T13:08:22.313Z"}}]}}}