FKIE_CVE-2025-66215

Vulnerability from fkie_nvd - Published: 2026-03-30 18:16 - Updated: 2026-04-01 17:28
Severity ?
3.8 (Low) - CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
6.8 (Medium) - CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, an attacker with physical access to the computer at the time user or administrator uses a token can cause a stack-buffer-overflow WRITE in card-oberthur. The attack requires crafted USB device or smart card that would present the system with specially crafted responses to the APDUs. This issue has been patched in version 0.27.0.
References
security-advisories@github.comhttps://github.com/OpenSC/OpenSC/commit/efd1d479832141bcf705c2f47655ada4d5f92f5dPatch
security-advisories@github.comhttps://github.com/OpenSC/OpenSC/pull/3436Issue Tracking, Patch
security-advisories@github.comhttps://github.com/OpenSC/OpenSC/security/advisories/GHSA-q5fc-cw56-hwp2Patch, Vendor Advisory
security-advisories@github.comhttps://github.com/OpenSC/OpenSC/wiki/CVE-2025-66215Vendor Advisory
Impacted products
Vendor Product Version
opensc_project opensc *
To clipboard 

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  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D890677F-5379-4587-B8E7-D38B02AD525A",
              "versionEndExcluding": "0.27.0",
              "vulnerable": true
            }
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          "negate": false,
          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, an attacker with physical access to the computer at the time user or administrator uses a token can cause a stack-buffer-overflow WRITE in card-oberthur. The attack requires crafted USB device or smart card that would present the system with specially crafted responses to the APDUs. This issue has been patched in version 0.27.0."
    },
    {
      "lang": "es",
      "value": "OpenSC es herramientas y middleware de c\u00f3digo abierto para tarjetas inteligentes. Antes de la versi\u00f3n 0.27.0, un atacante con acceso f\u00edsico al ordenador en el momento en que el usuario o el administrador utiliza un token puede causar una escritura de desbordamiento de b\u00fafer de pila en card-oberthur. El ataque requiere un dispositivo USB o tarjeta inteligente especialmente dise\u00f1ado que presentar\u00eda al sistema respuestas especialmente dise\u00f1adas a las APDU. Este problema ha sido parcheado en la versi\u00f3n 0.27.0."
    }
  ],
  "id": "CVE-2025-66215",
  "lastModified": "2026-04-01T17:28:49.457",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "PHYSICAL",
          "availabilityImpact": "LOW",
          "baseScore": 3.8,
          "baseSeverity": "LOW",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 0.4,
        "impactScore": 3.4,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "PHYSICAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-03-30T18:16:18.350",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/OpenSC/OpenSC/commit/efd1d479832141bcf705c2f47655ada4d5f92f5d"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
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        "Patch"
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      "url": "https://github.com/OpenSC/OpenSC/pull/3436"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
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        "Vendor Advisory"
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      "url": "https://github.com/OpenSC/OpenSC/security/advisories/GHSA-q5fc-cw56-hwp2"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
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      "url": "https://github.com/OpenSC/OpenSC/wiki/CVE-2025-66215"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Primary"
    }
  ]
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.