CVE-2025-10640

Estado: AplazadaCrítica (9.8)—

An unauthenticated attacker with access to TCP port 12306 of the WorkExaminer server can exploit missing server-side authentication checks to bypass the login prompt in the WorkExaminer Professional console to gain administrative access to the WorkExaminer server and therefore all sensitive monitoring data. This includes monitored screenshots and keystrokes of all users.

The WorkExaminer Professional console is used for administrative access to the server. Before access to the console is granted administrators must login. Internally, a custom protocol is used to call a respective stored procedure on the MSSQL database. The return value of the call is not validated on the server-side. Instead it is only validated client-side which allows to bypass authentication.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 9.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.90%
Percentil entre todas las CVEs puntuadas: 58
Fecha de la puntuación: 6/10/2026

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 principalT1078.001 Default Accountsstealth · persistence · privilege escalation · initial access90 %
Impacto secundarioT1005 Data from Local Systemcollection85 %
Impacto secundarioT1113 Screen Capturecollection80 %

AV:N/AC:L/PR:N sin UI permite T1190. Validación solo cliente-side facilita bypass autenticación (T1078.001). Acceso a datos sensibles: screenshots y keystrokes (T1005, T1113).

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

Vulnerability Scanning Privileged Account Management Password Policies Network Segmentation Multi-factor Authentication Limit Access to Resource Over Network

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Workexaminer — Workexaminer Professional^AI

CWE

CWE-602

Referencias

JSON original (NVD)

Mostrar

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  "id": "CVE-2025-10640",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-10640",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-10-22T18:59:26.555996Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "551230f0-3615-47bd-b7cc-93e92e730bbf",
      "affectedData": [
        {
          "vendor": "EfficientLab",
          "product": "WorkExaminer Professional",
          "versions": [
            {
              "status": "affected",
              "version": "<= 4.0.0.52001"
            }
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          "defaultStatus": "unknown"
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  ],
  "published": "2025-10-21T12:15:35.420",
  "references": [
    {
      "url": "https://r.sec-consult.com/workexaminer",
      "source": "551230f0-3615-47bd-b7cc-93e92e730bbf"
    },
    {
      "url": "http://seclists.org/fulldisclosure/2025/Oct/19",
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  "vulnStatus": "Deferred",
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  "descriptions": [
    {
      "lang": "en",
      "value": "An unauthenticated attacker with access to TCP port 12306 of the WorkExaminer server can exploit missing server-side authentication checks to bypass the login prompt in the WorkExaminer Professional console to gain administrative access to the WorkExaminer server and therefore all sensitive monitoring data. This includes monitored screenshots and keystrokes of all users.\n\nThe WorkExaminer Professional console is used for administrative access to the server. Before access to the console is granted administrators must login. Internally, a custom protocol is used to call a respective stored procedure on the MSSQL database. The return value of the call is not validated on the server-side. Instead it is only validated client-side which allows to bypass authentication."
    }
  ],
  "lastModified": "2026-06-17T08:28:41.107",
  "sourceIdentifier": "551230f0-3615-47bd-b7cc-93e92e730bbf"
}