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CVE-2015-5189

Estado: ModificadaMedia (4.9)—

Race condition in pcsd in PCS 0.9.139 and earlier uses a global variable to validate usernames, which allows remote authenticated users to gain privileges by sending a command that is checked for security after another user is authenticated.

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).

Tecnologías afectadas (1)

Pacemaker/corosync Configuration System Project — Pacemaker/corosync Configuration System

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2015-5189",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.9,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2015-09-03T14:59:02.037",
  "references": [
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2015-1700.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1252805",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2015-1700.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1252805",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Race condition in pcsd in PCS 0.9.139 and earlier uses a global variable to validate usernames, which allows remote authenticated users to gain privileges by sending a command that is checked for security after another user is authenticated."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de condición de carrera de pcsd en PCS 0.9.139 y en versiones anteriores utiliza una variable global para validar nombres de usuarios, lo que permite a usuarios remotos autenticados para obtener privilegios mediante el envío de un comando que se comprueba por seguridad tras autenticarse otro usuario."
    }
  ],
  "lastModified": "2026-06-17T00:28:38.710",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:pacemaker\\/corosync_configuration_system_project:pacemaker\\/corosync_configuration_system:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "69E6BE70-8D68-4908-B755-AC7509BC9B40",
              "versionEndIncluding": "0.9.139"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}