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CVE-2026-17603

Estado: AnalizadaAlta (8.7)—

Nexus Repository 3 did not sufficiently restrict which HikariCP connection-pool properties could be set through the DataStore configuration API. A user holding the nx-datastores-update permission could set the connectionInitSql property to execute arbitrary SQL against the configured database on every new connection. On the default H2 database backend, this could be leveraged to achieve remote code execution as the Nexus process user.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Vector AV:N/PR:L sin UI indica acceso remoto con permisos previos. CWE-94 (improper control of generation) + SQL injection en H2 permite RCE. Explotación remota de servicio con credenciales = T1210.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Threat Intelligence ProgramPrivileged Account ManagementExecution PreventionDisable or Remove Feature or ProgramApplication Isolation and SandboxingExploit Protection

Tecnologías afectadas (1)

Sonatype — Nexus Repository Manager

CWE

Referencias

JSON original (NVD)

Mostrar
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          "vendor": "Sonatype",
          "product": "Nexus Repository 3",
          "versions": [
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              "status": "affected",
              "version": "3.20.0",
              "lessThan": "3.95.0",
              "versionType": "semver"
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  "published": "2026-08-07T17:17:01.250",
  "references": [
    {
      "url": "https://help.sonatype.com/en/sonatype-nexus-repository-3-95-0-release-notes.html",
      "tags": [
        "Release Notes"
      ],
      "source": "103e4ec9-0a87-450b-af77-479448ddef11"
    },
    {
      "url": "https://support.sonatype.com/hc/en-us/articles/53890127489427/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "103e4ec9-0a87-450b-af77-479448ddef11"
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "type": "Secondary",
      "source": "103e4ec9-0a87-450b-af77-479448ddef11",
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Nexus Repository 3 did not sufficiently restrict which HikariCP connection-pool properties could be set through the DataStore configuration API. A user holding the nx-datastores-update permission could set the connectionInitSql property to execute arbitrary SQL against the configured database on every new connection. On the default H2 database backend, this could be leveraged to achieve remote code execution as the Nexus process user."
    }
  ],
  "lastModified": "2026-09-22T16:43:51.417",
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}