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CVE-2026-16140

Estado: Pendiente de análisisAlta (8.8)—

OpenBMC's IPMI implementation, phosphor-net-ipmid, is vulnerable to a logic flaw where the authorization context of an existing session can be replaced with a target account while still maintaining the original integrity and encryption keys. Several downstream vendors implement phosphor-net-ipmid as their IPMI stack, such as NVIDIA and H3C. This issue effectively allows for privilege escalation without re-authentication.

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.

Acceso remoto en red (AV:N) con autenticación previa (PR:L) a servicio IPMI; suplantación de sesión para escalar privilegios sin re-autenticación.

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 ManagementApplication Isolation and SandboxingExploit ProtectionUpdate SoftwareApplication Developer Guidance

Tecnologías afectadas (3)

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

H3C — IpmiAINvidia — IpmiAIOpenbmc — Phosphor-net-ipmidAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-16140",
  "cveTags": [],
  "metrics": {
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-16140",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-15T15:00:05.940086Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "44488dab-36db-4358-99f9-bc116477f914",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "44488dab-36db-4358-99f9-bc116477f914",
      "affectedData": [
        {
          "repo": "https://github.com/openbmc/phosphor-net-ipmid",
          "vendor": "OpenBMC",
          "product": "phosphor-net-ipmid",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "git",
              "lessThanOrEqual": "ba6efc502e6b1fabb8ed1ca677ae5eedd64b6361"
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          "defaultStatus": "unaffected"
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  "published": "2026-09-15T14:16:50.290",
  "references": [
    {
      "url": "https://www.runzero.com/advisories/openbmc-ipmi-privsec-rakp-cve-2026-16140/",
      "source": "44488dab-36db-4358-99f9-bc116477f914"
    },
    {
      "url": "https://www.runzero.com/blog/lights-out-exposed/",
      "source": "44488dab-36db-4358-99f9-bc116477f914"
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  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
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      "source": "44488dab-36db-4358-99f9-bc116477f914",
      "description": [
        {
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          "value": "CWE-863"
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  "descriptions": [
    {
      "lang": "en",
      "value": "OpenBMC's IPMI implementation, phosphor-net-ipmid, is vulnerable to a logic flaw where the authorization context of an existing session can be replaced with a target account while still maintaining the original integrity and encryption keys. Several downstream vendors implement phosphor-net-ipmid as their IPMI stack, such as NVIDIA and H3C. This issue effectively allows for privilege escalation without re-authentication."
    }
  ],
  "lastModified": "2026-09-18T19:30:42.730",
  "sourceIdentifier": "44488dab-36db-4358-99f9-bc116477f914"
}