{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-24391","assignerOrgId":"2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8","state":"PUBLISHED","assignerShortName":"OTRS","dateReserved":"2025-01-21T09:09:58.721Z","datePublished":"2025-07-14T08:15:58.668Z","dateUpdated":"2025-07-14T12:58:02.638Z"},"containers":{"cna":{"affected":[{"defaultStatus":"affected","modules":["External Interface"],"product":"OTRS","vendor":"OTRS AG","versions":[{"status":"affected","version":"7.0.x"},{"status":"affected","version":"8.0.x"},{"status":"affected","version":"2023.x"},{"status":"affected","version":"2024.x"},{"lessThanOrEqual":"2025.5.x","status":"affected","version":"2025.x","versionType":"Patch"}]}],"credits":[{"lang":"en","type":"reporter","value":"Special thanks to David Silva for reporting this vulnerability."}],"datePublic":"2025-07-14T07:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"A vulnerability in the External Interface of OTRS allows conclusions to be drawn about the existence of user accounts through different HTTP response codes and messages. This enables an attacker to systematically identify valid email addresses.<p></p><p>This issue affects: </p><ul><li>OTRS 7.0.X<br></li><li>OTRS 8.0.X</li><li>OTRS 2023.X</li><li>OTRS 2024.X</li><li>OTRS 2025.X</li></ul><br><p></p>"}],"value":"A vulnerability in the External Interface of OTRS allows conclusions to be drawn about the existence of user accounts through different HTTP response codes and messages. This enables an attacker to systematically identify valid email addresses.\n\nThis issue affects: \n\n  *  OTRS 7.0.X\n\n  *  OTRS 8.0.X\n  *  OTRS 2023.X\n  *  OTRS 2024.X\n  *  OTRS 2025.X"}],"impacts":[{"capecId":"CAPEC-575","descriptions":[{"lang":"en","value":"CAPEC-575 Account Footprinting"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-203","description":"CWE-203 Observable Discrepancy","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8","shortName":"OTRS","dateUpdated":"2025-07-14T08:15:58.668Z"},"references":[{"url":"https://otrs.com/release-notes/otrs-security-advisory-2025-07/"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Update to OTRS 2025.6.1. or later. Please note that there will be no OTRS 7 patches"}],"value":"Update to OTRS 2025.6.1. or later. Please note that there will be no OTRS 7 patches"}],"source":{"advisory":"OSA-2025-07","defect":["Issue#3743","Ticket#2024121142001403"],"discovery":"EXTERNAL"},"title":"Possible user enumeration","x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-07-14T12:57:40.250849Z","id":"CVE-2025-24391","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"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":"2025-07-14T12:58:02.638Z"}}]}}