gsd-2021-43116
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
An Access Control vulnerability exists in Nacos 2.0.3 in the access prompt page; enter username and password, click on login to capture packets and then change the returned package, which lets a malicious user login.
Aliases
Aliases
CVE-2021-43116


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-43116",
    "description": "An Access Control vulnerability exists in Nacos 2.0.3 in the access prompt page; enter username and password, click on login to capture packets and then change the returned package, which lets a malicious user login.",
    "id": "GSD-2021-43116"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-43116"
      ],
      "details": "An Access Control vulnerability exists in Nacos 2.0.3 in the access prompt page; enter username and password, click on login to capture packets and then change the returned package, which lets a malicious user login.",
      "id": "GSD-2021-43116",
      "modified": "2023-12-13T01:23:26.396569Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-43116",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
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              "vendor_name": "n/a"
            }
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      "data_type": "CVE",
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      "description": {
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          {
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            "value": "An Access Control vulnerability exists in Nacos 2.0.3 in the access prompt page; enter username and password, click on login to capture packets and then change the returned package, which lets a malicious user login."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
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          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/alibaba/nacos/issues/7127",
            "refsource": "MISC",
            "url": "https://github.com/alibaba/nacos/issues/7127"
          },
          {
            "name": "https://github.com/alibaba/nacos/issues/7182",
            "refsource": "MISC",
            "url": "https://github.com/alibaba/nacos/issues/7182"
          },
          {
            "name": "http://packetstormsecurity.com/files/171638/Nacos-2.0.3-Access-Control.html",
            "refsource": "MISC",
            "url": "http://packetstormsecurity.com/files/171638/Nacos-2.0.3-Access-Control.html"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "(,2.0.3]",
          "affected_versions": "All versions up to 2.0.3",
          "cvss_v2": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-287",
            "CWE-937"
          ],
          "date": "2023-04-03",
          "description": "An Access Control vulnerability exists in Nacos 2.0.3 in the access prompt page; enter username and password, click on login to capture packets and then change the returned package, which lets a malicious user login.",
          "fixed_versions": [
            "2.0.4"
          ],
          "identifier": "CVE-2021-43116",
          "identifiers": [
            "CVE-2021-43116"
          ],
          "not_impacted": "All versions after 2.0.3",
          "package_slug": "maven/com.alibaba.nacos/nacos-api",
          "pubdate": "2022-07-05",
          "solution": "Upgrade to version 2.0.4 or above.",
          "title": "Improper Authentication",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-43116",
            "https://github.com/alibaba/nacos/issues/7182",
            "https://github.com/alibaba/nacos/issues/7127"
          ],
          "uuid": "b750ad1e-ac39-453f-bf84-0f1da5ebc37b"
        },
        {
          "affected_range": "(,2.0.3]",
          "affected_versions": "All versions up to 2.0.3",
          "cvss_v2": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-287",
            "CWE-937"
          ],
          "date": "2022-07-14",
          "description": "An Access Control vulnerability exists in Nacos 2.0.3 in the access prompt page; enter username and password, click on login to capture packets and then change the returned package, which lets a malicious user login.",
          "fixed_versions": [],
          "identifier": "CVE-2021-43116",
          "identifiers": [
            "GHSA-2g86-r6w2-wqqr",
            "CVE-2021-43116"
          ],
          "not_impacted": "",
          "package_slug": "maven/com.alibaba.nacos/nacos-client",
          "pubdate": "2022-07-06",
          "solution": "Unfortunately, there is no solution available yet.",
          "title": "Improper Authentication",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-43116",
            "https://github.com/alibaba/nacos/issues/7127",
            "https://github.com/alibaba/nacos/issues/7182",
            "https://github.com/advisories/GHSA-2g86-r6w2-wqqr"
          ],
          "uuid": "a23c5379-d7d7-4883-bee7-f0eab3efdbb3"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:alibaba:nacos:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2.0.3",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-43116"
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        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            {
              "lang": "en",
              "value": "An Access Control vulnerability exists in Nacos 2.0.3 in the access prompt page; enter username and password, click on login to capture packets and then change the returned package, which lets a malicious user login."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-287"
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/alibaba/nacos/issues/7182",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Issue Tracking",
                "Third Party Advisory"
              ],
              "url": "https://github.com/alibaba/nacos/issues/7182"
            },
            {
              "name": "https://github.com/alibaba/nacos/issues/7127",
              "refsource": "MISC",
              "tags": [
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                "Issue Tracking",
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              ],
              "url": "https://github.com/alibaba/nacos/issues/7127"
            },
            {
              "name": "http://packetstormsecurity.com/files/171638/Nacos-2.0.3-Access-Control.html",
              "refsource": "MISC",
              "tags": [],
              "url": "http://packetstormsecurity.com/files/171638/Nacos-2.0.3-Access-Control.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-04-03T20:15Z",
      "publishedDate": "2022-07-05T14:15Z"
    }
  }
}


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