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CVE-2020-18771

Estado: ModificadaAlta (8.1)—

Exiv2 versión 0.27.99.0, presenta una lectura excesiva del búfer global en la función Exiv2::Internal::Nikon1MakerNote::print0x0088 en el archivo nikonmn_int.cpp que puede resultar en un filtrado de información.

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 (2)

Debian — Debian LinuxExiv2 — Exiv2

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2020-18771",
  "cveTags": [],
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          "id": "CVE-2020-18771",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-01-03T19:32:41.680250Z"
        }
      }
    ],
    "cvssMetricV2": [
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          "baseScore": 5.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
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          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
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  "affected": [
    {
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      "affectedData": [
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          "vendor": "n/a",
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  "published": "2021-08-23T22:15:26.150",
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      "tags": [
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      "source": "cve@mitre.org"
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    {
      "url": "https://security.gentoo.org/glsa/202312-06",
      "source": "cve@mitre.org"
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    {
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Exiv2 0.27.99.0 has a global buffer over-read in Exiv2::Internal::Nikon1MakerNote::print0x0088 in nikonmn_int.cpp which can result in an information leak."
    },
    {
      "lang": "es",
      "value": "Exiv2 versión 0.27.99.0, presenta una lectura excesiva del búfer global en la función Exiv2::Internal::Nikon1MakerNote::print0x0088 en el archivo nikonmn_int.cpp que puede resultar en un filtrado de información."
    }
  ],
  "lastModified": "2026-06-17T02:59:28.403",
  "configurations": [
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  "sourceIdentifier": "cve@mitre.org"
}