ubuntu-cve-2021-3127
Vulnerability from osv_ubuntu
Published
2021-03-16 20:15
Modified
2025-10-24 04:49
Summary
Details

NATS Server 2.x before 2.2.0 and JWT library before 2.0.1 have Incorrect Access Control because Import Token bindings are mishandled.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-nats-io-jwt-dev",
            "binary_version": "0.0~git20181120.285cf2c-4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "golang-github-nats-io-jwt",
        "purl": "pkg:deb/ubuntu/golang-github-nats-io-jwt@0.0~git20181120.285cf2c-4?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0~git20181120.285cf2c-4"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-nats-io-jwt-dev",
            "binary_version": "0.0~git20181120.285cf2c-4.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "golang-github-nats-io-jwt",
        "purl": "pkg:deb/ubuntu/golang-github-nats-io-jwt@0.0~git20181120.285cf2c-4.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0~git20181120.285cf2c-4.1"
      ]
    }
  ],
  "aliases": [],
  "details": "NATS Server 2.x before 2.2.0 and JWT library before 2.0.1 have Incorrect Access Control because Import Token bindings are mishandled.",
  "id": "UBUNTU-CVE-2021-3127",
  "modified": "2025-10-24T04:49:10Z",
  "published": "2021-03-16T20:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3127"
    },
    {
      "type": "REPORT",
      "url": "https://www.openwall.com/lists/oss-security/2021/03/16/1"
    },
    {
      "type": "REPORT",
      "url": "https://www.openwall.com/lists/oss-security/2021/03/16/1/2"
    },
    {
      "type": "REPORT",
      "url": "https://advisories.nats.io/CVE/CVE-2021-3127.txt"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-3127"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/nats-io/jwt/security/advisories/GHSA-62mh-w5cv-p88c"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/nats-io/jwt/pull/149"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-3127"
  ]
}



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