CVE-2025-32754

Estado: AnalizadaCrítica (9.1)—

In jenkins/ssh-agent Docker images 6.11.1 and earlier, SSH host keys are generated on image creation for images based on Debian, causing all containers based on images of the same version use the same SSH host keys, allowing attackers able to insert themselves into the network path between the SSH client (typically the Jenkins controller) and SSH build agent to impersonate the latter.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Puntuación base: 9.1

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.47%
Percentil entre todas las CVEs puntuadas: 38
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.

ExplotaciónT1557 Adversary-in-the-Middlecredential access · collection85 %
Impacto principalT1078 Valid Accountsstealth · persistence · privilege escalation · initial access75 %
Impacto secundarioT1556 Modify Authentication Processdefense impairment · persistence · credential access70 %

MITRE en el contexto de cadenas de suministro: claves SSH idénticas en imágenes Docker permiten MITM (T1557) entre Jenkins controller y agente. Impersonación de agente = acceso no autorizado a cuentas (T1078) y potencial alteración de contraseñas/sesiones (T1556).

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

User Training User Account Management Privileged Account Management Password Policies Multi-factor Authentication Application Developer Guidance

Tecnologías afectadas (1)

Jenkins — Ssh-agent

CWE

CWE-338

Referencias

https://www.jenkins.io/security/advisory/2025-04-10/#SECURITY-3565

JSON original (NVD)

Mostrar

{
  "id": "CVE-2025-32754",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-32754",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-10T13:21:05.198059Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.1,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "jenkinsci-cert@googlegroups.com",
      "affectedData": [
        {
          "vendor": "Jenkins Project",
          "product": "Jenkins jenkins/ssh-agent Docker images",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "maven",
              "lessThanOrEqual": "6.11.1"
            }
          ],
          "platforms": [
            "Debian-based images"
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-04-10T12:15:16.280",
  "references": [
    {
      "url": "https://www.jenkins.io/security/advisory/2025-04-10/#SECURITY-3565",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "jenkinsci-cert@googlegroups.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-338"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In jenkins/ssh-agent Docker images 6.11.1 and earlier, SSH host keys are generated on image creation for images based on Debian, causing all containers based on images of the same version use the same SSH host keys, allowing attackers able to insert themselves into the network path between the SSH client (typically the Jenkins controller) and SSH build agent to impersonate the latter."
    },
    {
      "lang": "es",
      "value": " En las imágenes Docker jenkins/ssh-agent 6.11.1 y anteriores, las claves de host SSH se generan durante la creación de imágenes basadas en Debian, lo que provoca que todos los contenedores basados en imágenes de la misma versión utilicen las mismas claves de host SSH, lo que permite a los atacantes insertarse en la ruta de red entre el cliente SSH (normalmente el controlador Jenkins) y el agente de compilación SSH para hacerse pasar por este último."
    }
  ],
  "lastModified": "2026-06-17T09:12:32.443",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:jenkins:ssh-agent:*:*:*:*:*:docker:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D635AFF6-449C-4436-9E85-BC40D217DB7A",
              "versionEndExcluding": "6.11.2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "jenkinsci-cert@googlegroups.com"
}