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CVE-2021-31154

Estado: ModificadaAlta (7.8)—

pleaseedit in please before 0.4 uses predictable temporary filenames in /tmp and the target directory. This allows a local attacker to gain full root privileges by staging a symlink attack.

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)

Pleaseedit Project — Pleaseedit

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-31154",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.2,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/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": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
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  ],
  "published": "2021-05-27T13:15:08.140",
  "references": [
    {
      "url": "https://gitlab.com/edneville/please/-/tree/master/src/bin",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.openwall.com/lists/oss-security/2021/05/18/1",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://gitlab.com/edneville/please/-/tree/master/src/bin",
      "tags": [
        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "url": "https://www.openwall.com/lists/oss-security/2021/05/18/1",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-668"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "pleaseedit in please before 0.4 uses predictable temporary filenames in /tmp and the target directory. This allows a local attacker to gain full root privileges by staging a symlink attack."
    },
    {
      "lang": "es",
      "value": "pleaseedit in please versiones anteriores a 0.4, utiliza nombres de archivo temporales predecibles en /tmp y el directorio de destino. Esto permite a un atacante local alcanzar privilegios de root completos al poner en escena un ataque symlink"
    }
  ],
  "lastModified": "2026-06-17T03:51:20.807",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:pleaseedit_project:pleaseedit:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6CDEFB3F-6AAF-438E-AD38-B7C47D69BD12",
              "versionEndExcluding": "0.4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}