FKIE_CVE-2026-4208

Vulnerability from fkie_nvd - Published: 2026-03-17 09:16 - Updated: 2026-04-25 18:43
Severity
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
The extension fails to properly reset the generated MFA code after successful authentication. This leads to a possible MFA bypass for future login attempts by providing an empty string as MFA code to the extensions MFA provider.
References
f4fb688c-4412-4426-b4b8-421ecf27b14ahttps://typo3.org/security/advisory/typo3-ext-sa-2026-007Vendor Advisory
Impacted products
Vendor Product Version
mrsilaz mfa_mail *
mrsilaz mfa_mail 2.0.0
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mrsilaz:mfa_mail:*:*:*:*:*:typo3:*:*",
              "matchCriteriaId": "2BF56C4D-1D5F-400F-B424-6F7C08532D02",
              "versionEndExcluding": "1.0.7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mrsilaz:mfa_mail:2.0.0:*:*:*:*:typo3:*:*",
              "matchCriteriaId": "5375BB80-5A35-40F2-9102-511ACE54ACA0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The extension fails to properly reset the generated MFA code after successful authentication. This leads to a possible MFA bypass for future login attempts by providing an empty string as MFA code to the extensions MFA provider."
    },
    {
      "lang": "es",
      "value": "La extensi\u00f3n no restablece correctamente el c\u00f3digo MFA generado despu\u00e9s de una autenticaci\u00f3n exitosa. Esto conduce a una posible omisi\u00f3n de MFA para futuros intentos de inicio de sesi\u00f3n al proporcionar una cadena vac\u00eda como c\u00f3digo MFA al proveedor de MFA de la extensi\u00f3n."
    }
  ],
  "id": "CVE-2026-4208",
  "lastModified": "2026-04-25T18:43:03.957",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "HIGH",
          "attackRequirements": "PRESENT",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 7.7,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-03-17T09:16:14.810",
  "references": [
    {
      "source": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://typo3.org/security/advisory/typo3-ext-sa-2026-007"
    }
  ],
  "sourceIdentifier": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-639"
        }
      ],
      "source": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
      "type": "Secondary"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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