{"containers":{"cna":{"affected":[{"product":"sydent","vendor":"matrix-org","versions":[{"status":"affected","version":"<= 2.2.0"}]}],"descriptions":[{"lang":"en","value":"Sydent is a reference Matrix identity server. In Sydent versions 2.2.0 and prior, sissing input validation of some parameters on the endpoints used to confirm third-party identifiers could cause excessive use of disk space and memory leading to resource exhaustion. A patch for the vulnerability is in version 2.3.0. No workarounds are known to exist."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":4.3,"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:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","description":"{\"CWE-20\":\"Improper Input Validation\"}","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2021-06-07T11:38:51.000Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://github.com/matrix-org/sydent/security/advisories/GHSA-pw4v-gr34-2553"},{"tags":["x_refsource_MISC"],"url":"https://github.com/matrix-org/sydent/commit/3175fd358ebc2c310eab7a3dbf296ce2bd54c1da"}],"source":{"advisory":"GHSA-pw4v-gr34-2553","discovery":"UNKNOWN"},"title":"Denial of service (via resource exhaustion) due to improper input validation","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2021-29433","STATE":"PUBLIC","TITLE":"Denial of service (via resource exhaustion) due to improper input validation"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"sydent","version":{"version_data":[{"version_value":"<= 2.2.0"}]}}]},"vendor_name":"matrix-org"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Sydent is a reference Matrix identity server. In Sydent versions 2.2.0 and prior, sissing input validation of some parameters on the endpoints used to confirm third-party identifiers could cause excessive use of disk space and memory leading to resource exhaustion. A patch for the vulnerability is in version 2.3.0. No workarounds are known to exist."}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":4.3,"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:L","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"{\"CWE-20\":\"Improper Input Validation\"}"}]}]},"references":{"reference_data":[{"name":"https://github.com/matrix-org/sydent/security/advisories/GHSA-pw4v-gr34-2553","refsource":"CONFIRM","url":"https://github.com/matrix-org/sydent/security/advisories/GHSA-pw4v-gr34-2553"},{"name":"https://github.com/matrix-org/sydent/commit/3175fd358ebc2c310eab7a3dbf296ce2bd54c1da","refsource":"MISC","url":"https://github.com/matrix-org/sydent/commit/3175fd358ebc2c310eab7a3dbf296ce2bd54c1da"}]},"source":{"advisory":"GHSA-pw4v-gr34-2553","discovery":"UNKNOWN"}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T22:02:51.915Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://github.com/matrix-org/sydent/security/advisories/GHSA-pw4v-gr34-2553"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://github.com/matrix-org/sydent/commit/3175fd358ebc2c310eab7a3dbf296ce2bd54c1da"}]}]},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2021-29433","datePublished":"2021-04-15T17:55:11.000Z","dateReserved":"2021-03-30T00:00:00.000Z","dateUpdated":"2024-08-03T22:02:51.915Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}