CVE-2024-21630

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Specifically, it applies when the installation has configured non-admins to be able to invite users and create multi-use invitations, and has also configured only admins to be able to invite users to streams. As in CVE-2023-32677, this does not let users invite new users to arbitrary streams, only to streams that the inviter can already see. Version 8.1 fixes this issue. As a workaround, administrators can limit sending of invitations down to users who also have the permission to add users to streams."}, {"lang": "es", "value": "Zulip es una herramienta de colaboraci\u00f3n en equipo de c\u00f3digo abierto. Una vulnerabilidad en la versi\u00f3n 8.0 es similar a CVE-2023-32677, pero se aplica a invitaciones de usos m\u00faltiples, no a enlaces de invitaci\u00f3n de un solo uso como en el CVE anterior. Espec\u00edficamente, se aplica cuando la instalaci\u00f3n ha configurado no administradores para poder invitar a usuarios y crear invitaciones de usos m\u00faltiples, y tambi\u00e9n ha configurado solo administradores para poder invitar a usuarios a transmisiones. Al igual que en CVE-2023-32677, esto no permite a los usuarios invitar a nuevos usuarios a transmisiones arbitrarias, solo a transmisiones que quien invita ya puede ver. La versi\u00f3n 8.1 soluciona este problema. Como workaround, los administradores pueden limitar el env\u00edo de invitaciones a los usuarios que tambi\u00e9n tienen permiso para agregar usuarios a las transmisiones."}], "id": "CVE-2024-21630", "lastModified": "2026-06-17T07:09:52.967", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-21630", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-05-08T15:52:52.338039Z", "version": "2.0.3"}}]}, "published": "2024-01-25T20:15:40.423", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/zulip/zulip/commit/0df7bd71f32f3b772e2646c6ab0d60c9b610addf"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/zulip/zulip/security/advisories/GHSA-87p9-wprh-7rm6"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/zulip/zulip/security/advisories/GHSA-mrvp-96q6-jpvc"}, {"source": "security-advisories@github.com", "tags": ["Product"], "url": "https://zulip.com/help/configure-who-can-invite-to-streams"}, {"source": "security-advisories@github.com", "tags": ["Product"], "url": "https://zulip.com/help/restrict-account-creation#change-who-can-send-invitations"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/zulip/zulip/commit/0df7bd71f32f3b772e2646c6ab0d60c9b610addf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/zulip/zulip/security/advisories/GHSA-87p9-wprh-7rm6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/zulip/zulip/security/advisories/GHSA-mrvp-96q6-jpvc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://zulip.com/help/configure-who-can-invite-to-streams"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://zulip.com/help/restrict-account-creation#change-who-can-send-invitations"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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