GSD-2021-28634

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an Improper Neutralization of Special Elements used in an OS Command. An authenticated attacker could leverage this vulnerability to achieve arbitrary code execution on the host machine in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Aliases
Aliases
CVE-2021-28634
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{
  "GSD": {
    "alias": "CVE-2021-28634",
    "description": "Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an Improper Neutralization of Special Elements used in an OS Command. An authenticated attacker could leverage this vulnerability to achieve arbitrary code execution on the host machine in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.",
    "id": "GSD-2021-28634"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-28634"
      ],
      "details": "Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an Improper Neutralization of Special Elements used in an OS Command. An authenticated attacker could leverage this vulnerability to achieve arbitrary code execution on the host machine in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.",
      "id": "GSD-2021-28634",
      "modified": "2023-12-13T01:23:29.618638Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "psirt@adobe.com",
        "DATE_PUBLIC": "2021-07-13T23:00:00.000Z",
        "ID": "CVE-2021-28634",
        "STATE": "PUBLIC",
        "TITLE": "Adobe Acrobat Reader AcrobatUtils.scpt Extension OS Command Injection Vulnerability"
      },
      "affects": {
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            {
              "product": {
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                  {
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                    "version": {
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                          "version_affected": "\u003c=",
                          "version_value": "2020.004.30005"
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          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "Low",
          "attackVector": "Local",
          "availabilityImpact": "High",
          "baseScore": 8.2,
          "baseSeverity": "High",
          "confidentialityImpact": "High",
          "integrityImpact": "High",
          "privilegesRequired": "Low",
          "scope": "Changed",
          "userInteraction": "Required",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
          "version": "3.1"
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      "problemtype": {
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                "lang": "eng",
                "value": "Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027) (CWE-78)"
              }
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        ]
      },
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        "reference_data": [
          {
            "name": "https://helpx.adobe.com/security/products/acrobat/apsb21-51.html",
            "refsource": "MISC",
            "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-51.html"
          }
        ]
      },
      "source": {
        "discovery": "EXTERNAL"
      }
    },
    "nvd.nist.gov": {
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        "nodes": [
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                "versionEndIncluding": "21.005.20054",
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            }
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                "Vendor Advisory"
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            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 8.5,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:N/AC:M/Au:S/C:C/I:C/A:C",
            "version": "2.0"
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          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
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          "severity": "HIGH",
          "userInteractionRequired": true
        },
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            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
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          "impactScore": 6.0
        }
      },
      "lastModifiedDate": "2021-08-31T15:35Z",
      "publishedDate": "2021-08-20T19:15Z"
    }
  }
}


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  • 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.
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  • 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.



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