{"id":"CVE-2024-52520","state":"PUBLISHED","title":"Nextcloud Server's link reference provider can be tricked into downloading bigger files than intended","description":"Nextcloud Server is a self hosted personal cloud system. Due to a pre-flighted HEAD request, the link reference provider could be tricked into downloading bigger websites than intended, to find open-graph data. It is recommended that the Nextcloud Server is upgraded to 28.0.10 or 29.0.7 and Nextcloud Enterprise Server is upgraded to 27.1.11.8, 28.0.10 or 29.0.7.","publishedAt":"2024-11-15T16:41:42.412Z","updatedAt":"2024-11-15T17:01:01.172Z","severity":{"score":5.7,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["nextcloud security-advisories"],"affected":[{"vendor":"nextcloud","product":"security-advisories","versions":[{"version":">= 28.0.0, < 28.0.10","status":"affected"},{"version":">= 29.0.0, < 29.0.7","status":"affected"}]}],"references":["https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pxqf-cfxw-mqmj","https://github.com/nextcloud/server/pull/47627","https://github.com/nextcloud/server/commit/873c42b0f1383d5b6f2b7a481e1d9620ed30f44a"],"weaknesses":["CWE-400","CWE-79"],"ingestedAt":"2026-10-29T20:08:04.920Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/52xxx/CVE-2024-52520.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-52520","state":"PUBLISHED","datePublished":"2024-11-15T16:41:42.412Z","dateUpdated":"2024-11-15T17:01:01.172Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2024-11-11T18:49:23.559Z"},"containers":{"cna":{"title":"Nextcloud Server's link reference provider can be tricked into downloading bigger files than intended","descriptions":[{"lang":"en","value":"Nextcloud Server is a self hosted personal cloud system. Due to a pre-flighted HEAD request, the link reference provider could be tricked into downloading bigger websites than intended, to find open-graph data. It is recommended that the Nextcloud Server is upgraded to 28.0.10 or 29.0.7 and Nextcloud Enterprise Server is upgraded to 27.1.11.8, 28.0.10 or 29.0.7."}],"affected":[{"vendor":"nextcloud","product":"security-advisories","versions":[{"version":">= 28.0.0, < 28.0.10","status":"affected"},{"version":">= 29.0.0, < 29.0.7","status":"affected"}]}],"references":[{"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pxqf-cfxw-mqmj","name":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pxqf-cfxw-mqmj","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/nextcloud/server/pull/47627","name":"https://github.com/nextcloud/server/pull/47627","tags":["x_refsource_MISC"]},{"url":"https://github.com/nextcloud/server/commit/873c42b0f1383d5b6f2b7a481e1d9620ed30f44a","name":"https://github.com/nextcloud/server/commit/873c42b0f1383d5b6f2b7a481e1d9620ed30f44a","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.7,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","lang":"en","description":"CWE-400: Uncontrolled Resource Consumption","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2024-11-15T16:41:42.412Z"},"source":{"advisory":"GHSA-pxqf-cfxw-mqmj","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-11-15T17:00:01.088749Z","id":"CVE-2024-52520","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","type":"CWE","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-11-15T17:01:01.172Z"}}]}}}