gsd-2021-43786
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Nodebb is an open source Node.js based forum software. In affected versions incorrect logic present in the token verification step unintentionally allowed master token access to the API. The vulnerability has been patch as of v1.18.5. Users are advised to upgrade as soon as possible.
Aliases
Aliases
CVE-2021-43786


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-43786",
    "description": "Nodebb is an open source Node.js based forum software. In affected versions incorrect logic present in the token verification step unintentionally allowed master token access to the API. The vulnerability has been patch as of v1.18.5. Users are advised to upgrade as soon as possible.",
    "id": "GSD-2021-43786"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-43786"
      ],
      "details": "Nodebb is an open source Node.js based forum software. In affected versions incorrect logic present in the token verification step unintentionally allowed master token access to the API. The vulnerability has been patch as of v1.18.5. Users are advised to upgrade as soon as possible.",
      "id": "GSD-2021-43786",
      "modified": "2023-12-13T01:23:26.535746Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2021-43786",
        "STATE": "PUBLIC",
        "TITLE": "API token verification can be bypassed"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "NodeBB",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "\u003e= 1.15.0, \u003c 1.18.5"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "NodeBB"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "Nodebb is an open source Node.js based forum software. In affected versions incorrect logic present in the token verification step unintentionally allowed master token access to the API. The vulnerability has been patch as of v1.18.5. Users are advised to upgrade as soon as possible."
          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-287: Improper Authentication"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5",
            "refsource": "MISC",
            "url": "https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5"
          },
          {
            "name": "https://github.com/NodeBB/NodeBB/security/advisories/GHSA-hf2m-j98r-4fqw",
            "refsource": "CONFIRM",
            "url": "https://github.com/NodeBB/NodeBB/security/advisories/GHSA-hf2m-j98r-4fqw"
          },
          {
            "name": "https://github.com/NodeBB/NodeBB/commit/04dab1d550cdebf4c1567bca9a51f8b9ca48a500",
            "refsource": "MISC",
            "url": "https://github.com/NodeBB/NodeBB/commit/04dab1d550cdebf4c1567bca9a51f8b9ca48a500"
          },
          {
            "name": "https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/",
            "refsource": "MISC",
            "url": "https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-hf2m-j98r-4fqw",
        "discovery": "UNKNOWN"
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003e=1.15.0 \u003c=1.18.4",
          "affected_versions": "All versions starting from 1.15.0 up to 1.18.4",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-287",
            "CWE-937"
          ],
          "date": "2022-10-27",
          "description": "Incorrect logic present in the token verification step unintentionally allowed master token access to the API.",
          "fixed_versions": [
            "1.18.5"
          ],
          "identifier": "CVE-2021-43786",
          "identifiers": [
            "CVE-2021-43786",
            "GHSA-hf2m-j98r-4fqw"
          ],
          "not_impacted": "All versions starting from 1.18.5",
          "package_slug": "npm/nodebb",
          "pubdate": "2021-11-29",
          "solution": "Upgrade to version 1.18.5 or above.",
          "title": "Improper Authentication",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-43786",
            "https://github.com/NodeBB/NodeBB/security/advisories/GHSA-hf2m-j98r-4fqw",
            "https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5",
            "https://github.com/NodeBB/NodeBB/commit/04dab1d550cdebf4c1567bca9a51f8b9ca48a500"
          ],
          "uuid": "ee9736b4-87ee-4f59-b974-198189835491"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:nodebb:nodebb:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "1.18.4",
                "versionStartIncluding": "1.15.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security-advisories@github.com",
          "ID": "CVE-2021-43786"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Nodebb is an open source Node.js based forum software. In affected versions incorrect logic present in the token verification step unintentionally allowed master token access to the API. The vulnerability has been patch as of v1.18.5. Users are advised to upgrade as soon as possible."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-287"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/NodeBB/NodeBB/security/advisories/GHSA-hf2m-j98r-4fqw",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://github.com/NodeBB/NodeBB/security/advisories/GHSA-hf2m-j98r-4fqw"
            },
            {
              "name": "https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5",
              "refsource": "MISC",
              "tags": [
                "Release Notes",
                "Third Party Advisory"
              ],
              "url": "https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5"
            },
            {
              "name": "https://github.com/NodeBB/NodeBB/commit/04dab1d550cdebf4c1567bca9a51f8b9ca48a500",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/NodeBB/NodeBB/commit/04dab1d550cdebf4c1567bca9a51f8b9ca48a500"
            },
            {
              "name": "https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Third Party Advisory"
              ],
              "url": "https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-10-27T19:13Z",
      "publishedDate": "2021-11-29T20:15Z"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.