gsd-2021-21017
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution 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-2021-21017


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-21017",
    "description": "Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution 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-2021-21017"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-21017"
      ],
      "details": "Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution 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-2021-21017",
      "modified": "2023-12-13T01:23:10.426608Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cisa.gov": {
      "cveID": "CVE-2021-21017",
      "dateAdded": "2021-11-03",
      "dueDate": "2021-11-17",
      "product": "Acrobat and Reader",
      "requiredAction": "Apply updates per vendor instructions.",
      "shortDescription": "Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.",
      "vendorProject": "Adobe",
      "vulnerabilityName": "Adobe Acrobat and Reader Heap-based Buffer Overflow Vulnerability"
    },
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "psirt@adobe.com",
        "DATE_PUBLIC": "2021-02-09T23:00:00.000Z",
        "ID": "CVE-2021-21017",
        "STATE": "PUBLIC",
        "TITLE": "Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Acrobat Reader",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c=",
                          "version_value": "2020.013.20074"
                        },
                        {
                          "version_affected": "\u003c=",
                          "version_value": "2020.001.30018"
                        },
                        {
                          "version_affected": "\u003c=",
                          "version_value": "2017.011.30188"
                        },
                        {
                          "version_affected": "\u003c=",
                          "version_value": "None"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Adobe"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
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            "lang": "eng",
            "value": "Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."
          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "None",
          "attackVector": "None",
          "availabilityImpact": "None",
          "baseScore": 8.8,
          "baseSeverity": "High",
          "confidentialityImpact": "None",
          "integrityImpact": "None",
          "privilegesRequired": "None",
          "scope": "None",
          "userInteraction": "None",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Heap-based Buffer Overflow (CWE-122)"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html",
            "refsource": "MISC",
            "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html"
          }
        ]
      },
      "source": {
        "discovery": "EXTERNAL"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*",
                    "cpe_name": [],
                    "versionEndIncluding": "20.001.30018",
                    "versionStartIncluding": "20.0",
                    "vulnerable": true
                  },
                  {
                    "cpe23Uri": "cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*",
                    "cpe_name": [],
                    "versionEndIncluding": "20.001.300183",
                    "versionStartIncluding": "20.0",
                    "vulnerable": true
                  },
                  {
                    "cpe23Uri": "cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*",
                    "cpe_name": [],
                    "versionEndIncluding": "17.011.30188",
                    "versionStartIncluding": "17.0",
                    "vulnerable": true
                  },
                  {
                    "cpe23Uri": "cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*",
                    "cpe_name": [],
                    "versionEndIncluding": "20.013.20074",
                    "vulnerable": true
                  },
                  {
                    "cpe23Uri": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*",
                    "cpe_name": [],
                    "versionEndIncluding": "17.011.30188",
                    "versionStartIncluding": "17.0",
                    "vulnerable": true
                  },
                  {
                    "cpe23Uri": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*",
                    "cpe_name": [],
                    "versionEndIncluding": "20.013.20074",
                    "vulnerable": true
                  }
                ],
                "operator": "OR"
              },
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "vulnerable": false
                  },
                  {
                    "cpe23Uri": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "vulnerable": false
                  }
                ],
                "operator": "OR"
              }
            ],
            "cpe_match": [],
            "operator": "AND"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@adobe.com",
          "ID": "CVE-2021-21017"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-787"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-08-05T18:26Z",
      "publishedDate": "2021-02-11T20:15Z"
    }
  }
}


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