Security advisory

{
  "id": "9162782c35102e27701f1017bd30d92f446623595e6ac030cdfffa65822158c1",
  "url": "https://osv.dev/vulnerability/CVE-2021-32163",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-32163",
    "summary": "Authentication vulnerability in MOSN v.0.23.0 allows attacker to escalate privileges via case-sensitive JWT authorization.",
    "evidence": "osv:CVE-2021-32163",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-32163",
      "aliases": [
        "CVE-2021-32163",
        "GHSA-5vx9-j5cw-47vq",
        "GO-2023-1582"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mosn/mosn",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "9a53d7239d8d5ca987410c15d791e780b5809558"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:linuxfoundation:modular_open_smart_network:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.23.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.22.0",
            "v0.21.0",
            "v0.19.0",
            "v0.20.0",
            "v0.18.0",
            "v0.17.0",
            "v0.16.0",
            "v0.15.0",
            "v0.14.0",
            "v0.13.0",
            "v0.12.0",
            "v0.11.0",
            "v0.10.0",
            "0.9.0",
            "0.8.1",
            "0.8.0",
            "0.7.0",
            "0.6.0",
            "0.5.0",
            "0.4.2",
            "0.4.1",
            "0.4.0",
            "0.3.0",
            "0.2.1",
            "0.2.0",
            "0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-32163.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:41.859230258Z",
      "provider": "osv",
      "references": [
        "https://github.com/mosn/mosn/issues/1633",
        "https://github.com/mosn/mosn/pull/1637"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-32163",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385915,
  "published_at": "2023-02-17T18:15:10.917+00:00"
}