{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2025-53514", "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "state": "PUBLISHED", "assignerShortName": "Mattermost", "dateReserved": "2025-07-28T14:26:12.380Z", "datePublished": "2025-08-11T18:57:01.515Z", "dateUpdated": "2025-08-11T19:36:46.050Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Mattermost Confluence Plugin", "vendor": "Mattermost", "versions": [ { "status": "affected", "version": "0", "versionType": "semver", "lessThan": "1.5.0" }, { "version": "1.5.0", "status": "unaffected" } ], "repo": "https://github.com/mattermost/mattermost-plugin-confluence/" } ], "credits": [ { "lang": "en", "type": "finder", "value": "Lorenzo Gallegos" } ], "descriptions": [ { "lang": "en", "value": "Mattermost Confluence Plugin version <1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to server webhook endpoint with an invalid request body." } ], "metrics": [ { "cvssV3_1": { "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseSeverity": "MEDIUM", "baseScore": 5.9 }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "description": "CWE-754: Improper Check for Unusual or Exceptional Conditions", "cweId": "CWE-754" } ] } ], "references": [ { "url": "https://mattermost.com/security-updates" } ], "solutions": [ { "value": "Update Mattermost Confluence Plugin to version 1.5.0 or higher.", "lang": "en" } ], "source": { "advisory": "MMSA-2025-00476", "defect": [ "https://mattermost.atlassian.net/browse/MM-64147" ], "discovery": "{\"self\"=>\"https://mattermost.atlassian.net/rest/api/2/customFieldOption/10557\", \"value\"=>\"Internal\", \"id\"=>\"10557\"}" }, "title": "Unexpected Input to Server Webhook endpoint Causes DoS in Mattermost Confluence Plugin", "providerMetadata": { "orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "shortName": "Mattermost", "dateUpdated": "2025-08-11T18:57:01.515Z" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2025-08-11T19:36:36.428993Z", "id": "CVE-2025-53514", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-08-11T19:36:46.050Z" } } ] } }