{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-3100","assignerOrgId":"f35eaae9-79f2-4d0d-a5c7-7bea6ed6be77","state":"PUBLISHED","assignerShortName":"ASUSTOR1","dateReserved":"2026-02-24T08:35:18.143Z","datePublished":"2026-02-25T05:52:20.196Z","dateUpdated":"2026-02-27T14:26:39.407Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","packageName":"FTP Backup","platforms":["Linux","x86","ARM","64 bit"],"product":"ADM","vendor":"ASUSTOR","versions":[{"lessThanOrEqual":"4.3.3.ROF1","status":"affected","version":"4.1.0","versionType":"custom"},{"lessThanOrEqual":"5.1.2.RE51","status":"affected","version":"5.0.0","versionType":"custom"}]}],"credits":[{"lang":"en","type":"finder","value":"Nuke"}],"datePublic":"2026-02-25T05:45:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"The FTP Backup on the ADM will not properly strictly enforce TLS certificate verification while connecting to an FTP server using FTPES/FTPS. An improper validated TLS/SSL certificates allows a remote attacker can intercept network traffic to perform a Man-in-the-Middle (MitM) attack, which may intercept, modify, or obtain sensitive information such as authentication credentials and backup data.\nAffected products and versions include: from ADM 4.1.0 through ADM 4.3.3.ROF1 as well as from ADM 5.0.0 through ADM 5.1.2.RE51."}],"value":"The FTP Backup on the ADM will not properly strictly enforce TLS certificate verification while connecting to an FTP server using FTPES/FTPS. An improper validated TLS/SSL certificates allows a remote attacker can intercept network traffic to perform a Man-in-the-Middle (MitM) attack, which may intercept, modify, or obtain sensitive information such as authentication credentials and backup data.\nAffected products and versions include: from ADM 4.1.0 through ADM 4.3.3.ROF1 as well as from ADM 5.0.0 through ADM 5.1.2.RE51."}],"impacts":[{"capecId":"CAPEC-157","descriptions":[{"lang":"en","value":"CAPEC-157 Sniffing Attacks"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":8.3,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"LOW","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-295","description":"CWE-295 Improper Certificate Validation","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"f35eaae9-79f2-4d0d-a5c7-7bea6ed6be77","shortName":"ASUSTOR1","dateUpdated":"2026-02-25T06:13:16.227Z"},"references":[{"tags":["vendor-advisory"],"url":"https://www.asustor.com/security/security_advisory_detail?id=53"}],"source":{"discovery":"UNKNOWN"},"title":"An improper certificate validation vulnerability was found in the FTP Backup on the ADM.","x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-25T17:46:30.911041Z","id":"CVE-2026-3100","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":"2026-02-27T14:26:39.407Z"}}]}}