USN-7360-1 (UBUNTU-CVE-2020-14929)

Vulnerability from osv_ubuntu – Published: 2025-03-20 00:37 – Updated: 2026-06-25 10:46 – Source website
VLAI
Summary
alpine vulnerabilities
Details

It was discovered that Alpine did not use a secure connection under certain circumstances. A remote attacker could possibly use this issue to leak sensitive information. (CVE-2020-14929)

It was discovered that Alpine could allow untagged responses from an IMAP server before upgrading to a TLS connection. A remote attacker could possibly use this issue to leak sensitive information. (CVE-2021-38370)

It was discovered that Alpine could crash when receiving certain SMTP commands. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2021-46853)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-14929",
              "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"
                }
              ]
            },
            {
              "id": "CVE-2021-38370",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-46853",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "alpine",
            "binary_version": "2.20+dfsg1-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "alpine-pico",
            "binary_version": "2.20+dfsg1-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "pilot",
            "binary_version": "2.20+dfsg1-2ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "alpine",
        "purl": "pkg:deb/ubuntu/alpine@2.20+dfsg1-2ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.20+dfsg1-2ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.20+dfsg1-1",
        "2.20+dfsg1-2"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-14929",
              "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"
                }
              ]
            },
            {
              "id": "CVE-2021-38370",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-46853",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "alpine",
            "binary_version": "2.21+dfsg1-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "alpine-pico",
            "binary_version": "2.21+dfsg1-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "pilot",
            "binary_version": "2.21+dfsg1-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "alpine",
        "purl": "pkg:deb/ubuntu/alpine@2.21+dfsg1-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.21+dfsg1-1ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.20+dfsg1-7",
        "2.21+dfsg1-1",
        "2.21+dfsg1-1build1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-14929",
              "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"
                }
              ]
            },
            {
              "id": "CVE-2021-38370",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-46853",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "alpine",
            "binary_version": "2.22+dfsg1-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "alpine-pico",
            "binary_version": "2.22+dfsg1-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "pilot",
            "binary_version": "2.22+dfsg1-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "alpine",
        "purl": "pkg:deb/ubuntu/alpine@2.22+dfsg1-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.22+dfsg1-1ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.21+dfsg1-1.1build1",
        "2.22+dfsg1-1"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that Alpine did not use a secure connection under\ncertain circumstances. A remote attacker could possibly use this issue to\nleak sensitive information. (CVE-2020-14929)\n\nIt was discovered that Alpine could allow untagged responses from an\nIMAP server before upgrading to a TLS connection. A remote attacker could\npossibly use this issue to leak sensitive information. (CVE-2021-38370)\n\nIt was discovered that Alpine could crash when receiving certain SMTP\ncommands. A remote attacker could possibly use this issue to cause a denial\nof service. (CVE-2021-46853)\n",
  "id": "USN-7360-1",
  "modified": "2026-06-25T10:46:42Z",
  "published": "2025-03-20T00:37:09Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7360-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-14929"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-38370"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-46853"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "alpine vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2020-14929",
    "UBUNTU-CVE-2021-38370",
    "UBUNTU-CVE-2021-46853"
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.