GSD-2021-21020

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to an access control bypass vulnerability in the Login as Customer module. Successful exploitation could lead to unauthorized access to restricted resources.
Aliases
Aliases
CVE-2021-21020
To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-21020",
    "description": "Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to an access control bypass vulnerability in the Login as Customer module. Successful exploitation could lead to unauthorized access to restricted resources.",
    "id": "GSD-2021-21020"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-21020"
      ],
      "details": "Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to an access control bypass vulnerability in the Login as Customer module. Successful exploitation could lead to unauthorized access to restricted resources.",
      "id": "GSD-2021-21020",
      "modified": "2023-12-13T01:23:10.704368Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "psirt@adobe.com",
        "DATE_PUBLIC": "2021-02-09T23:00:00.000Z",
        "ID": "CVE-2021-21020",
        "STATE": "PUBLIC",
        "TITLE": "Magento Commerce Improper Access Control Vulnerability"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Magento Commerce",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c=",
                          "version_value": "2.4.1"
                        },
                        {
                          "version_affected": "\u003c=",
                          "version_value": "2.4.0-p1"
                        },
                        {
                          "version_affected": "\u003c=",
                          "version_value": "2.3.6"
                        },
                        {
                          "version_affected": "\u003c=",
                          "version_value": "None"
                        }
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                    }
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              "vendor_name": "Adobe"
            }
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            "value": "Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to an access control bypass vulnerability in the Login as Customer module. Successful exploitation could lead to unauthorized access to restricted resources."
          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "None",
          "attackVector": "None",
          "availabilityImpact": "None",
          "baseScore": 5.3,
          "baseSeverity": "Medium",
          "confidentialityImpact": "None",
          "integrityImpact": "None",
          "privilegesRequired": "None",
          "scope": "None",
          "userInteraction": "None",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Improper Access Control (CWE-284)"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://helpx.adobe.com/security/products/magento/apsb21-08.html",
            "refsource": "MISC",
            "url": "https://helpx.adobe.com/security/products/magento/apsb21-08.html"
          }
        ]
      },
      "source": {
        "discovery": "EXTERNAL"
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c2.3.6||\u003e=2.4.0,\u003c2.4.1-p1",
          "affected_versions": "All versions before 2.3.6, all versions starting from 2.4.0 up to 2.4.1",
          "cvss_v2": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-937"
          ],
          "date": "2022-10-21",
          "description": "Magento is vulnerable to an access control bypass vulnerability in the Login as Customer module. Successful exploitation could lead to unauthorized access to restricted resources.",
          "fixed_versions": [
            "2.3.6",
            "2.4.1-p1"
          ],
          "identifier": "CVE-2021-21020",
          "identifiers": [
            "CVE-2021-21020"
          ],
          "not_impacted": "All versions starting from 2.3.6 before 2.4.0, all versions after 2.4.1-p1",
          "package_slug": "packagist/magento/community-edition",
          "pubdate": "2021-02-11",
          "solution": "Upgrade to versions 2.3.6, 2.4.1-p1 or above.",
          "title": "Improper Access Control",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-21020",
            "https://helpx.adobe.com/security/products/magento/apsb21-08.html"
          ],
          "uuid": "c0642177-4468-4ca9-b603-b890accc419e"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:magento:magento:*:*:*:*:commerce:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "2.3.6",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:magento:magento:*:*:*:*:open_source:*:*:*",
                "cpe_name": [],
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                "cpe_name": [],
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              {
                "cpe23Uri": "cpe:2.3:a:magento:magento:2.4.0:-:*:*:open_source:*:*:*",
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              {
                "cpe23Uri": "cpe:2.3:a:magento:magento:2.4.0:p1:*:*:open_source:*:*:*",
                "cpe_name": [],
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              },
              {
                "cpe23Uri": "cpe:2.3:a:magento:magento:2.4.0:-:*:*:commerce:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:magento:magento:2.4.0:p1:*:*:commerce:*:*:*",
                "cpe_name": [],
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              },
              {
                "cpe23Uri": "cpe:2.3:a:magento:magento:2.3.6:-:*:*:open_source:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:magento:magento:2.3.6:-:*:*:commerce:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
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      "cve": {
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          "ID": "CVE-2021-21020"
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        "description": {
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              "value": "Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to an access control bypass vulnerability in the Login as Customer module. Successful exploitation could lead to unauthorized access to restricted resources."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "NVD-CWE-Other"
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://helpx.adobe.com/security/products/magento/apsb21-08.html",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://helpx.adobe.com/security/products/magento/apsb21-08.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 1.6,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-10-21T20:11Z",
      "publishedDate": "2021-02-11T20:15Z"
    }
  }
}


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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.
  • 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.