CVE-2026-82819
Full vulnerability record from the local CVENow database.
Description
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.
Severity
HIGH
CVSS score
7.1
(v4.0)
Vulnerability status
Awaiting Analysis
Source identifier
db4dfee8-a97e-4877-bfae-eba6d14a2166
Published
2026-10-21 05:16:43.070000
Last modified
2026-10-22 17:36:46.950000
View original CVE JSON
{
"id": "CVE-2026-82819",
"sourceIdentifier": "db4dfee8-a97e-4877-bfae-eba6d14a2166",
"published": "2026-10-21T05:16:43.070",
"lastModified": "2026-10-22T17:36:46.950",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"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."
}
],
"affected": [
{
"source": "db4dfee8-a97e-4877-bfae-eba6d14a2166",
"affectedData": [
{
"vendor": "Cerberus",
"product": "Cerberus FTP Server",
"defaultStatus": "unaffected",
"platforms": [
"Windows"
],
"versions": [
{
"version": "0",
"lessThan": "2026.3.0",
"versionType": "custom",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "db4dfee8-a97e-4877-bfae-eba6d14a2166",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
]
},
"weaknesses": [
{
"source": "db4dfee8-a97e-4877-bfae-eba6d14a2166",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-40"
}
]
}
],
"references": [
{
"url": "https://labs.reversec.com/advisories/2026/09/universal-naming-convention-unc-path-injection-in-cerberus-ftp-server",
"source": "db4dfee8-a97e-4877-bfae-eba6d14a2166"
},
{
"url": "https://www.cerberusftp.com/releasenotes/",
"source": "db4dfee8-a97e-4877-bfae-eba6d14a2166"
}
]
}