{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:aquaplatform:revive_adserver:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2AA08D1C-3638-4E0D-AC58-A8527E77536F",
              "versionEndIncluding": "6.0.4",
              "versionStartIncluding": "6.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "HackerOne community member Faraz Ahmed (PakCyberbot) has reported a format string injection in the Revive Adserver settings. When specific character combinations are used in a setting, the admin user console could be disabled due to a fatal PHP error."
    },
    {
      "lang": "es",
      "value": "El miembro de la comunidad de HackerOne Faraz Ahmed (PakCyberbot) ha informado de una inyecci\u00f3n de cadena de formato en la configuraci\u00f3n de Revive Adserver. Cuando se utilizan combinaciones de caracteres espec\u00edficas en una configuraci\u00f3n, la consola del usuario administrador podr\u00eda deshabilitarse debido a un error fatal de PHP."
    }
  ],
  "id": "CVE-2026-21640",
  "lastModified": "2026-01-30T20:17:33.390",
  "metrics": {
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 2.7,
          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.0"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 1.4,
        "source": "support@hackerone.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 2.7,
          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-01-20T21:16:06.063",
  "references": [
    {
      "source": "support@hackerone.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/3445332"
    }
  ],
  "sourceIdentifier": "support@hackerone.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-134"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}