GSD-2021-39911

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
An improper access control flaw in all versions of GitLab CE/EE starting from 13.9 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 exposes private email address of Issue and Merge Requests assignee to Webhook data consumers
Aliases
Aliases
CVE-2021-39911
To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-39911",
    "description": "An improper access control flaw in GitLab CE/EE since version 13.9 exposes private email address of Issue and Merge Requests assignee to Webhook data consumers",
    "id": "GSD-2021-39911",
    "references": [
      "https://security.archlinux.org/CVE-2021-39911"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-39911"
      ],
      "details": "An improper access control flaw in all versions of GitLab CE/EE starting from 13.9 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 exposes private email address of Issue and Merge Requests assignee to Webhook data consumers",
      "id": "GSD-2021-39911",
      "modified": "2023-12-13T01:23:15.266044Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@gitlab.com",
        "ID": "CVE-2021-39911",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "GitLab",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "\u003e=13.9, \u003c14.2.6"
                        },
                        {
                          "version_value": "\u003e=14.3, \u003c14.3.4"
                        },
                        {
                          "version_value": "\u003e=14.4, \u003c14.4.1"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "GitLab"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "This vulnerability has been discovered internally by the GitLab team"
        }
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      "data_type": "CVE",
      "data_version": "4.0",
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            "value": "An improper access control flaw in all versions of GitLab CE/EE starting from 13.9 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 exposes private email address of Issue and Merge Requests assignee to Webhook data consumers"
          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "HIGH",
          "attackVector": "PHYSICAL",
          "availabilityImpact": "NONE",
          "baseScore": 1.7,
          "baseSeverity": "LOW",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "AV:P/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Exposure of private information (\u0027privacy violation\u0027) in GitLab"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://gitlab.com/gitlab-org/gitlab/-/issues/297470",
            "refsource": "MISC",
            "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/297470"
          },
          {
            "name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39911.json",
            "refsource": "CONFIRM",
            "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39911.json"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
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              {
                "cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "14.3.4",
                "versionStartIncluding": "14.3.0",
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              },
              {
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                "cpe_name": [],
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              },
              {
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                "cpe_name": [],
                "vulnerable": true
              }
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            "operator": "OR"
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      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@gitlab.com",
          "ID": "CVE-2021-39911"
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        "description": {
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            {
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              "value": "An improper access control flaw in all versions of GitLab CE/EE starting from 13.9 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 exposes private email address of Issue and Merge Requests assignee to Webhook data consumers"
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": []
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://gitlab.com/gitlab-org/gitlab/-/issues/297470",
              "refsource": "MISC",
              "tags": [
                "Broken Link"
              ],
              "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/297470"
            },
            {
              "name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39911.json",
              "refsource": "CONFIRM",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39911.json"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "NONE",
            "baseScore": 4.0,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2022-10-06T20:14Z",
      "publishedDate": "2021-11-05T00:15Z"
    }
  }
}


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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.
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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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