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CVE-2021-36781

Estado: ModificadaMedia (4.4)—

A Incorrect Default Permissions vulnerability in the parsec package of openSUSE Factory allows local attackers to imitate the service leading to DoS or clients talking to an imposter service. This issue affects: openSUSE Factory parsec versions prior to 0.8.1-1.1.

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)

Opensuse — Factory

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-36781",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "meissner@suse.de",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.9,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 3.4,
        "exploitabilityScore": 2.5
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.4,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "meissner@suse.de",
      "affectedData": [
        {
          "vendor": "openSUSE",
          "product": "Factory",
          "versions": [
            {
              "status": "affected",
              "version": "parsec",
              "lessThan": "0.8.1-1.1",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-01-14T11:15:07.767",
  "references": [
    {
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1193484",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "source": "meissner@suse.de"
    },
    {
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1193484",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "meissner@suse.de",
      "description": [
        {
          "lang": "en",
          "value": "CWE-276"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A Incorrect Default Permissions vulnerability in the parsec package of openSUSE Factory allows local attackers to imitate the service leading to DoS or clients talking to an imposter service. This issue affects: openSUSE Factory parsec versions prior to 0.8.1-1.1."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de Permisos Incorrectos por Defecto en el paquete parsec de openSUSE Factory permite a atacantes locales imitar el servicio conllevando a DoS o a que clientes hablen con un servicio impostor. Este problema afecta a: parsec de openSUSE Factory versiones anteriores a la 0.8.1-1.1"
    }
  ],
  "lastModified": "2026-06-17T03:59:10.867",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:opensuse:factory:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "179B2F3F-1605-48CC-A40E-4D605E74641B",
              "versionEndExcluding": "0.8.1-1.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "meissner@suse.de"
}