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CVE-2025-2843

Estado: AplazadaAlta (8.8)—

A flaw was found in the Observability Operator. The Operator creates a ServiceAccount with *ClusterRole* upon deployment of the *Namespace-Scoped* Custom Resource MonitorStack. This issue allows an adversarial Kubernetes Account with only namespaced-level roles, for example, a tenant controlling a namespace, to create a MonitorStack in the authorized namespace and then elevate permission to the cluster level by impersonating the ServiceAccount created by the Operator, resulting in privilege escalation and other issues.

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.

AV:N, PR:L: acceso remoto con privilegios bajos (usuario en namespace). La escalada a ClusterRole mediante suplantación de ServiceAccount logra privilegios administrativos de clúster (root), así como acceso no autorizado a credenciales del operador.

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

Tecnologías afectadas (1)

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

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2025-2843",
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        "ssvcData": {
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
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          "version": "2.0.3",
          "timestamp": "2025-11-12T20:47:54.311119Z"
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          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
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      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "rhobs",
          "product": "observability-operator",
          "versions": [
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              "status": "affected",
              "version": "0",
              "lessThan": "1.3.0",
              "versionType": "semver"
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              "versionType": "rpm"
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  "published": "2025-11-12T17:15:37.550",
  "references": [
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      "url": "https://access.redhat.com/errata/RHSA-2025:21146",
      "source": "secalert@redhat.com"
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    {
      "url": "https://access.redhat.com/security/cve/CVE-2025-2843",
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2355222",
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  "vulnStatus": "Deferred",
  "weaknesses": [
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      "description": [
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          "value": "CWE-266"
        }
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    {
      "lang": "en",
      "value": "A flaw was found in the Observability Operator. The Operator creates a ServiceAccount with *ClusterRole* upon deployment of the *Namespace-Scoped* Custom Resource MonitorStack. This issue allows an adversarial Kubernetes Account with only namespaced-level roles, for example, a tenant controlling a namespace, to create a MonitorStack in the authorized namespace and then elevate permission to the cluster level by impersonating the ServiceAccount created by the Operator, resulting in privilege escalation and other issues."
    }
  ],
  "lastModified": "2026-09-21T17:17:25.487",
  "sourceIdentifier": "secalert@redhat.com"
}