{"id":"CVE-2025-20033","state":"PUBLISHED","title":"DoS via custom post type for sysconsole plugin readers","description":"Mattermost versions 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate post types, which allows attackers to deny service to users with the sysconsole_read_plugins permission via creating a post with the custom_pl_notification type and specific props.","publishedAt":"2025-01-09T06:55:02.063Z","updatedAt":"2025-01-09T15:05:20.599Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","source":"Mattermost"},"assigner":"Mattermost","products":["Mattermost Mattermost"],"affected":[{"vendor":"Mattermost","product":"Mattermost","defaultStatus":"unaffected","versions":[{"version":"10.2.0","status":"affected"},{"version":"9.11.0","status":"affected","lessThanOrEqual":"9.11.5","versionType":"semver"},{"version":"10.0.0","status":"affected","lessThanOrEqual":"10.0.3","versionType":"semver"},{"version":"10.1.0","status":"affected","lessThanOrEqual":"10.1.3","versionType":"semver"},{"version":"10.3.0","status":"unaffected"},{"version":"10.2.1","status":"unaffected"},{"version":"9.11.6","status":"unaffected"},{"version":"10.0.4","status":"unaffected"},{"version":"10.1.4","status":"unaffected"}]}],"references":["https://mattermost.com/security-updates"],"weaknesses":["CWE-1287"],"ingestedAt":"2026-10-29T20:08:39.238Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/20xxx/CVE-2025-20033.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-20033","state":"PUBLISHED","datePublished":"2025-01-09T06:55:02.063Z","dateUpdated":"2025-01-09T15:05:20.599Z","assignerShortName":"Mattermost","assignerOrgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","dateReserved":"2025-01-08T11:07:12.589Z"},"containers":{"cna":{"title":"DoS via custom post type for sysconsole plugin readers","descriptions":[{"lang":"en","value":"Mattermost versions 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate post types, which allows attackers to deny service to users with the sysconsole_read_plugins permission via creating a post with the custom_pl_notification type and specific props."}],"affected":[{"vendor":"Mattermost","product":"Mattermost","defaultStatus":"unaffected","versions":[{"version":"10.2.0","status":"affected"},{"version":"9.11.0","status":"affected","lessThanOrEqual":"9.11.5","versionType":"semver"},{"version":"10.0.0","status":"affected","lessThanOrEqual":"10.0.3","versionType":"semver"},{"version":"10.1.0","status":"affected","lessThanOrEqual":"10.1.3","versionType":"semver"},{"version":"10.3.0","status":"unaffected"},{"version":"10.2.1","status":"unaffected"},{"version":"9.11.6","status":"unaffected"},{"version":"10.0.4","status":"unaffected"},{"version":"10.1.4","status":"unaffected"}]}],"references":[{"url":"https://mattermost.com/security-updates"}],"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"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1287","description":"CWE-1287: Improper Validation of Specified Type of Input","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Mattermost","orgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","dateUpdated":"2025-01-09T06:55:02.063Z"},"credits":[{"lang":"en","type":"finder","value":"c0rydoras (c0rydoras)"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Update Mattermost to versions 10.3.0, 10.2.1, 9.11.6, 10.0.4, 10.1.4 or higher.</p>"}],"value":"Update Mattermost to versions 10.3.0, 10.2.1, 9.11.6, 10.0.4, 10.1.4 or higher."}],"source":{"advisory":"MMSA-2024-00396","defect":["https://mattermost.atlassian.net/browse/MM-61296"],"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-01-09T15:05:02.977878Z","id":"CVE-2025-20033","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":"2025-01-09T15:05:20.599Z"}}]}}}