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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"
    }
  ]
}