CVE-2018-21253

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "24ECA7B3-C992-428C-8A24-09C493825757", "versionEndExcluding": "4.10.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "E278EFAE-A65B-4F4D-A0B0-85AB5F7F20D9", "versionEndExcluding": "5.0.2", "versionStartIncluding": "5.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:5.1.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "CE9E6973-2B19-4159-B31C-78DDCE4A9179", "vulnerable": true}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:5.1.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "0C0A6193-612E-4C80-9B0F-A4CDF4C60ABC", "vulnerable": true}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:5.1.0:rc3:*:*:*:*:*:*", "matchCriteriaId": "B3E5F5B9-1BE6-4BC5-9FCE-595AB536D335", "vulnerable": true}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:5.1.0:rc4:*:*:*:*:*:*", "matchCriteriaId": "7B75C34D-82F2-41C1-B2B9-52346FD8CB6B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Mattermost Server before 5.1, 5.0.2, and 4.10.2. An attacker could use the invite_people slash command to invite a non-permitted user."}, {"lang": "es", "value": "Se detect\u00f3 un problema en Mattermost Server versiones anteriores a 5.1, 5.0.2 y 4.10.2. Un atacante podr\u00eda usar el comando barra diagonal invite_people para invitar a un usuario no permitido"}], "id": "CVE-2018-21253", "lastModified": "2026-06-17T01:54:28.580", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"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"}]}, "published": "2020-06-19T17:15:12.537", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://mattermost.com/security-updates/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://mattermost.com/security-updates/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-732"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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