CVE-2026-54103

Estado: Pendiente de análisisCrítica (9.3)—

The U.S. Government Accountability Office (GAO) Electronic Protest Docketing System (EPDS) and Civilian Board of Contract Appeals (CBCA) Electronic Docketing System (EDS) does not authenticate password change requests to the '/update-profile/N' API endpoint. A remote, unauthenticated attacker could change an arbitrary user's password.

CVSS

Versión: 4.0
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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
Puntuación base: 9.3

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.77%
Percentil entre todas las CVEs puntuadas: 54
Fecha de la puntuación: 4/10/2026

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.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access95 %
Impacto principalT1078 Valid Accountsstealth · persistence · privilege escalation · initial access90 %
Impacto secundarioT1136 Create Accountpersistence75 %

API /update-profile/N sin autenticación permite cambiar contraseña de usuarios arbitrarios (CWE-306). Vector CVSS AV:N/PR:N/UI:N confirma acceso remoto sin privilegios. Impacto: acceso con credenciales alteradas (T1078) y potencial creación/compromiso de cuentas (T1136).

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

Privileged Account Management Network Segmentation Multi-factor Authentication Application Developer Guidance Active Directory Configuration Vulnerability Scanning

CWE

CWE-306

Referencias

JSON original (NVD)

Mostrar

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  "id": "CVE-2026-54103",
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      ],
      "sourceIdentifier": "9119a7d8-5eab-497f-8521-727c672e3725"
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  "metrics": {
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          "baseSeverity": "CRITICAL",
          "valueDensity": "NOT_DEFINED",
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          "exploitMaturity": "NOT_DEFINED",
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          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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      "affectedData": [
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          "product": "Electronic Protest Docketing System (EPDS)",
          "versions": [
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              "version": "0",
              "lessThan": "2026-02-22",
              "versionType": "custom"
            },
            {
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          "vendor": "Civilian Board of Contract Appeals",
          "product": "Electronic Docketing System (EDS)",
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  "published": "2026-06-18T17:16:33.387",
  "references": [
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      "url": "https://epds.gao.gov/",
      "source": "9119a7d8-5eab-497f-8521-727c672e3725"
    },
    {
      "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-169-01.json",
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    {
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      "source": "9119a7d8-5eab-497f-8521-727c672e3725"
    },
    {
      "url": "https://www.eds.cbca.gov/login",
      "source": "9119a7d8-5eab-497f-8521-727c672e3725"
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  "vulnStatus": "Awaiting Analysis",
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      "description": [
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  "descriptions": [
    {
      "lang": "en",
      "value": "The U.S. Government Accountability Office (GAO) Electronic Protest Docketing System (EPDS) and Civilian Board of Contract Appeals (CBCA) Electronic Docketing System (EDS) does not authenticate password change requests to the '/update-profile/N' API endpoint. A remote, unauthenticated attacker could change an arbitrary user's password."
    }
  ],
  "lastModified": "2026-06-22T14:17:41.063",
  "sourceIdentifier": "9119a7d8-5eab-497f-8521-727c672e3725"
}