{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-27936","assignerOrgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","state":"PUBLISHED","assignerShortName":"Mattermost","dateReserved":"2025-04-08T11:14:14.689Z","datePublished":"2025-04-16T09:14:55.095Z","dateUpdated":"2025-04-16T14:32:45.176Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Mattermost","vendor":"Mattermost","versions":[{"lessThanOrEqual":"10.5.1","status":"affected","version":"10.5.0","versionType":"semver"},{"status":"unaffected","version":"10.6.0"},{"status":"unaffected","version":"10.5.2"}]}],"credits":[{"lang":"en","type":"finder","value":"Juho Forsén"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Mattermost Plugin MSTeams versions &lt;<span style=\"background-color: rgb(255, 255, 255);\">2.1.0 and Mattermost Server&nbsp;</span>versions 10.5.x &lt;=10.5.1 with the MS Teams plugin enabled fail to perform constant time comparison on a MSTeams plugin webhook secret which allows&nbsp;an attacker to retrieve the webhook secret of the MSTeams plugin via a timing attack during webhook secret comparison. </p>"}],"value":"Mattermost Plugin MSTeams versions <2.1.0 and Mattermost Server versions 10.5.x <=10.5.1 with the MS Teams plugin enabled fail to perform constant time comparison on a MSTeams plugin webhook secret which allows an attacker to retrieve the webhook secret of the MSTeams plugin via a timing attack during webhook secret comparison."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-208","description":"CWE-208: Observable Timing Discrepancy","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","shortName":"Mattermost","dateUpdated":"2025-04-16T09:14:55.095Z"},"references":[{"url":"https://mattermost.com/security-updates"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Update Mattermost Plugin MSTeams to version 2.1.1 or Mattermost Server to versions 10.6.0, 10.5.2 or higher.</p>"}],"value":"Update Mattermost Plugin MSTeams to version 2.1.1 or Mattermost Server to versions 10.6.0, 10.5.2 or higher."}],"source":{"advisory":"MMSA-2025-00450","defect":["https://mattermost.atlassian.net/browse/MM-63147"],"discovery":"INTERNAL"},"title":"Webhook Secret Exposure via Timing attack in MSteams plugin","x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-16T14:19:16.252929Z","id":"CVE-2025-27936","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":"2025-04-16T14:32:45.176Z"}}]}}