ubuntu-cve-2021-46900
Vulnerability from osv_ubuntu
Published
2023-12-31 05:15
Modified
2026-07-15 17:28
Summary
Details

Sympa before 6.2.62 relies on a cookie parameter for certain security objectives, but does not ensure that this parameter exists and has an unpredictable value. Specifically, the cookie parameter is both a salt for stored passwords and an XSS protection mechanism.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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": "sympa",
            "binary_version": "6.1.24~dfsg-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "sympa",
        "purl": "pkg:deb/ubuntu/sympa@6.1.24~dfsg-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps-legacy/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.1.24~dfsg-1",
        "6.1.24~dfsg-1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "sympa",
            "binary_version": "6.2.24~dfsg-1ubuntu0.1~esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "sympa",
        "purl": "pkg:deb/ubuntu/sympa@6.2.24~dfsg-1ubuntu0.1~esm2?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.2.18~dfsg-1",
        "6.2.22~dfsg-1",
        "6.2.24~dfsg-1",
        "6.2.24~dfsg-1ubuntu0.1~esm1",
        "6.2.24~dfsg-1ubuntu0.1~esm2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "sympa",
            "binary_version": "6.2.40~dfsg-4ubuntu0.20.04.1~esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "sympa",
        "purl": "pkg:deb/ubuntu/sympa@6.2.40~dfsg-4ubuntu0.20.04.1~esm2?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.2.40~dfsg-1",
        "6.2.40~dfsg-3",
        "6.2.40~dfsg-4",
        "6.2.40~dfsg-4ubuntu0.20.04.1~esm1",
        "6.2.40~dfsg-4ubuntu0.20.04.1~esm2"
      ]
    }
  ],
  "aliases": [],
  "details": "Sympa before 6.2.62 relies on a cookie parameter for certain security objectives, but does not ensure that this parameter exists and has an unpredictable value. Specifically, the cookie parameter is both a salt for stored passwords and an XSS protection mechanism.",
  "id": "UBUNTU-CVE-2021-46900",
  "modified": "2026-07-15T17:28:18Z",
  "published": "2023-12-31T05:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-46900"
    },
    {
      "type": "REPORT",
      "url": "https://www.sympa.community/security/2021-001.html"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/sympa-community/sympa-community.github.io/blob/master/security/2021-001.md"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-46900"
    }
  ],
  "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": "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-2021-46900"
  ]
}



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