{"id":"CVE-2023-28845","state":"PUBLISHED","title":"Chat room membership disclosed via autocompletion in Nextcloud talk","description":"Nextcloud talk is a video & audio conferencing app for Nextcloud. In affected versions the talk app does not properly filter access to a conversations member list. As a result an attacker could use this vulnerability to gain information about the members of a Talk conversation, even if they themselves are not members. It is recommended that the Nextcloud Talk is upgraded to 14.0.9 or 15.0.4. There are no known workarounds for this vulnerability.","publishedAt":"2023-03-31T22:13:44.046Z","updatedAt":"2025-02-11T17:13:26.478Z","severity":{"score":3.5,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["nextcloud security-advisories"],"affected":[{"vendor":"nextcloud","product":"security-advisories","versions":[{"version":">= 15.0.0, < 15.0.4","status":"affected"},{"version":">= 14.0.0, < 14.0.9","status":"affected"}]}],"references":["https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3m6r-479j-4chf","https://github.com/nextcloud/spreed/pull/8651"],"weaknesses":["CWE-284"],"ingestedAt":"2026-10-29T20:05:52.290Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/28xxx/CVE-2023-28845.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-28845","state":"PUBLISHED","datePublished":"2023-03-31T22:13:44.046Z","dateUpdated":"2025-02-11T17:13:26.478Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2023-03-24T16:25:34.466Z"},"containers":{"cna":{"title":"Chat room membership disclosed via autocompletion in Nextcloud talk","descriptions":[{"lang":"en","value":"Nextcloud talk is a video & audio conferencing app for Nextcloud. In affected versions the talk app does not properly filter access to a conversations member list. As a result an attacker could use this vulnerability to gain information about the members of a Talk conversation, even if they themselves are not members. It is recommended that the Nextcloud Talk is upgraded to 14.0.9 or 15.0.4. There are no known workarounds for this vulnerability."}],"affected":[{"vendor":"nextcloud","product":"security-advisories","versions":[{"version":">= 15.0.0, < 15.0.4","status":"affected"},{"version":">= 14.0.0, < 14.0.9","status":"affected"}]}],"references":[{"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3m6r-479j-4chf","name":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3m6r-479j-4chf","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/nextcloud/spreed/pull/8651","name":"https://github.com/nextcloud/spreed/pull/8651","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.5,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","lang":"en","description":"CWE-284: Improper Access Control","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2023-03-31T22:13:44.046Z"},"source":{"advisory":"GHSA-3m6r-479j-4chf","discovery":"UNKNOWN"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3m6r-479j-4chf","name":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3m6r-479j-4chf","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/nextcloud/spreed/pull/8651","name":"https://github.com/nextcloud/spreed/pull/8651","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T13:51:38.693Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-02-11T17:13:20.850979Z","id":"CVE-2023-28845","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-02-11T17:13:26.478Z"}}]}}}