{ "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" } } ] } }