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CVE-2017-2956

Status: ModifiedHigh (7.8)—

Adobe Acrobat Reader versions 15.020.20042 and earlier, 15.006.30244 and earlier, 11.0.18 and earlier have an exploitable use after free vulnerability in the JavaScript engine, related to manipulation of the navigation pane. Successful exploitation could lead to arbitrary code execution.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (4)

Adobe — AcrobatAdobe — Acrobat DCAdobe — Acrobat Reader DCAdobe — Reader

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2017-2956",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 9.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
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  "affected": [
    {
      "source": "psirt@adobe.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Adobe Acrobat Reader 15.020.20042 and earlier, 15.006.30244 and earlier, 11.0.18 and earlier.",
          "versions": [
            {
              "status": "affected",
              "version": "Adobe Acrobat Reader 15.020.20042 and earlier, 15.006.30244 and earlier, 11.0.18 and earlier."
            }
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        }
      ]
    }
  ],
  "published": "2017-01-11T04:59:01.663",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/95343",
      "source": "psirt@adobe.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1037574",
      "source": "psirt@adobe.com"
    },
    {
      "url": "https://helpx.adobe.com/security/products/acrobat/apsb17-01.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "psirt@adobe.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/95343",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1037574",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://helpx.adobe.com/security/products/acrobat/apsb17-01.html",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
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  ],
  "descriptions": [
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      "lang": "en",
      "value": "Adobe Acrobat Reader versions 15.020.20042 and earlier, 15.006.30244 and earlier, 11.0.18 and earlier have an exploitable use after free vulnerability in the JavaScript engine, related to manipulation of the navigation pane. Successful exploitation could lead to arbitrary code execution."
    },
    {
      "lang": "es",
      "value": "Las versiones de Adobe Acrobat Reader 15.020.20042 y anteriores, 15.006.30244 y anteriores, 11.0.18 y anteriores tienen una vulnerabilidad de uso después de liberación de memoria explotable en el motor JavaScript, relacionado con la manipulación del panel de navegación. Una explotación satisfactoria podría conducir a la ejecución de código arbitrario."
    }
  ],
  "lastModified": "2026-06-17T01:17:12.923",
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