{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-82819","assignerOrgId":"db4dfee8-a97e-4877-bfae-eba6d14a2166","state":"PUBLISHED","assignerShortName":"NCSC-FI","dateReserved":"2026-08-31T05:33:33.295Z","datePublished":"2026-10-21T04:30:40.808Z","dateUpdated":"2026-10-30T16:33:26.805Z"},"containers":{"cna":{"providerMetadata":{"orgId":"db4dfee8-a97e-4877-bfae-eba6d14a2166","shortName":"NCSC-FI","dateUpdated":"2026-10-21T04:30:40.808Z"},"title":"Universal Naming Convention (UNC) Path Injection in Cerberus FTP Server","datePublic":"2026-09-14T09:34:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-40","description":"CWE-40 Path traversal: '\\\\UNC\\share\\name\\' (windows UNC share)","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-664","descriptions":[{"lang":"en","value":"CAPEC-664 Server Side Request Forgery"}]}],"affected":[{"vendor":"Cerberus","product":"Cerberus FTP Server","platforms":["Windows"],"versions":[{"status":"affected","version":"0","lessThan":"2026.3.0","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"A vulnerability in Cerberus FTP Server allows an authenticated remote attacker to perform UNC path injection via a manipulated parameter. By supplying a malicious SMB share path, an attacker can execute authentication coercion against the underlying server, resulting in the leakage of the Cerberus service account's Net-NTLMv2 hash. This issue has been resolved in Cerberus FTP Server: 2026.3.0.","supportingMedia":[{"type":"text/html","base64":false,"value":"A vulnerability in Cerberus FTP Server allows an authenticated remote attacker to perform UNC path injection via a manipulated parameter. By supplying a malicious SMB share path, an attacker can execute authentication coercion against the underlying server, resulting in the leakage of the Cerberus service account's Net-NTLMv2 hash. This issue has been resolved in Cerberus FTP Server: 2026.3.0."}]}],"references":[{"url":"https://www.cerberusftp.com/releasenotes/","tags":["release-notes"]},{"url":"https://labs.reversec.com/advisories/2026/09/universal-naming-convention-unc-path-injection-in-cerberus-ftp-server","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":7.1,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"references":[{"url":"https://labs.reversec.com/advisories/2026/09/universal-naming-convention-unc-path-injection-in-cerberus-ftp-server","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-30T16:33:06.688294Z","id":"CVE-2026-82819","options":[{"Exploitation":"poc"},{"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":"2026-10-30T16:33:26.805Z"}}]}}