{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.3.21"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.3.21"
              }
            ]
          }
        ]
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9a125624f219e496bdf4b07b404816d5a309bdc1"
            }
          ],
          "repo": "https://github.com/kongchuanhujiao/provinceserver",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9a125624f219e496bdf4b07b404816d5a309bdc1"
            }
          ],
          "repo": "https://github.com/kongchuanhujiao/provinceserver",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "In github.com/kongchuanhujiao/server before version 1.3.21 there is an authentication Bypass by Primary Weakness vulnerability. All users are impacted. This is fixed in version 1.3.21.",
  "id": "CVE-2021-21403",
  "modified": "2026-03-13T21:51:26.200469537Z",
  "published": "2021-03-26T18:15:12.360Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/kongchuanhujiao/server/security/advisories/GHSA-8wrg-m8vm-5fvj"
    },
    {
      "type": "FIX",
      "url": "https://github.com/kongchuanhujiao/server/commit/9a125624f219e496bdf4b07b404816d5a309bdc1"
    }
  ],
  "related": [
    "GHSA-8wrg-m8vm-5fvj"
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}