vuln-ubuntu/data/osv/usn/USN-4613-1.json

{
  "schema_version": "1.7.0",
  "id": "USN-4613-1",
  "summary": "python-cryptography vulnerability",
  "details": "Hubert Kario discovered that python-cryptography incorrectly handled certain decryption.\nAn attacker could possibly use this issue to expose sensitive information.\n",
  "aliases": [],
  "upstream": [
    "UBUNTU-CVE-2020-25659"
  ],
  "related": [],
  "published": "2020-11-03T12:17:34Z",
  "modified": "2026-02-10T04:41:58Z",
  "affected": [
    {
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "python-cryptography",
        "purl": "pkg:deb/ubuntu/python-cryptography@1.2.3-1ubuntu0.3?arch=source&distro=xenial"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.2.3-1ubuntu0.3"
            }
          ]
        }
      ],
      "versions": [
        "1.0.1-1ubuntu1",
        "1.0.2-1",
        "1.1-1",
        "1.1.1-1",
        "1.1.1-1ubuntu1",
        "1.1.1-1ubuntu2",
        "1.1.1-1ubuntu3",
        "1.2.2-2",
        "1.2.3-1",
        "1.2.3-1ubuntu0.1",
        "1.2.3-1ubuntu0.2"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python-cryptography",
            "binary_version": "1.2.3-1ubuntu0.3"
          },
          {
            "binary_name": "python3-cryptography",
            "binary_version": "1.2.3-1ubuntu0.3"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:16.04:LTS",
          "cves": [
            {
              "id": "CVE-2020-25659",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            }
          ]
        }
      }
    },
    {
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "python-cryptography",
        "purl": "pkg:deb/ubuntu/python-cryptography@2.1.4-1ubuntu1.4?arch=source&distro=bionic"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.4-1ubuntu1.4"
            }
          ]
        }
      ],
      "versions": [
        "1.9-1",
        "2.1.3-3",
        "2.1.4-1",
        "2.1.4-1build1",
        "2.1.4-1build2",
        "2.1.4-1ubuntu1",
        "2.1.4-1ubuntu1.1",
        "2.1.4-1ubuntu1.2",
        "2.1.4-1ubuntu1.3"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python-cryptography",
            "binary_version": "2.1.4-1ubuntu1.4"
          },
          {
            "binary_name": "python3-cryptography",
            "binary_version": "2.1.4-1ubuntu1.4"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:18.04:LTS",
          "cves": [
            {
              "id": "CVE-2020-25659",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            }
          ]
        }
      }
    },
    {
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "python-cryptography",
        "purl": "pkg:deb/ubuntu/python-cryptography@2.8-3ubuntu0.1?arch=source&distro=focal"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.8-3ubuntu0.1"
            }
          ]
        }
      ],
      "versions": [
        "2.6.1-3.1",
        "2.6.1-4",
        "2.6.1-4ubuntu1",
        "2.8-1ubuntu2",
        "2.8-2",
        "2.8-3"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python-cryptography",
            "binary_version": "2.8-3ubuntu0.1"
          },
          {
            "binary_name": "python3-cryptography",
            "binary_version": "2.8-3ubuntu0.1"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:20.04:LTS",
          "cves": [
            {
              "id": "CVE-2020-25659",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            }
          ]
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4613-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-25659"
    }
  ]
}