ubuntu-cve-2021-33054
Vulnerability from osv_ubuntu
Published
2021-06-04 15:15
Modified
2026-07-06 18:16
Summary
Details

SOGo 2.x before 2.4.1 and 3.x through 5.x before 5.1.1 does not validate the signatures of any SAML assertions it receives. Any actor with network access to the deployment could impersonate users when SAML is the authentication method. (Only versions after 2.0.5a are affected.)

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "sogo",
            "binary_version": "2.2.17a-1.1ubuntu0.1~esm1"
          },
          {
            "binary_name": "sogo-common",
            "binary_version": "2.2.17a-1.1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "sogo",
        "purl": "pkg:deb/ubuntu/sogo@2.2.17a-1.1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps-legacy/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.2.17a-1.1ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.2.17a-1",
        "2.2.17a-1.1",
        "2.2.17a-1.1build1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "sogo",
            "binary_version": "3.2.10-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "sogo-common",
            "binary_version": "3.2.10-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "sogo",
        "purl": "pkg:deb/ubuntu/sogo@3.2.10-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.2.10-1ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.2.10-1",
        "3.2.10-1build1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "sogo",
            "binary_version": "4.3.0-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "sogo-common",
            "binary_version": "4.3.0-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "sogo",
        "purl": "pkg:deb/ubuntu/sogo@4.3.0-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.3.0-1ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.0.8-1",
        "4.1.0-1",
        "4.1.1-1",
        "4.3.0-1"
      ]
    }
  ],
  "aliases": [],
  "details": "SOGo 2.x before 2.4.1 and 3.x through 5.x before 5.1.1 does not validate the signatures of any SAML assertions it receives. Any actor with network access to the deployment could impersonate users when SAML is the authentication method. (Only versions after 2.0.5a are affected.)",
  "id": "UBUNTU-CVE-2021-33054",
  "modified": "2026-07-06T18:16:29Z",
  "published": "2021-06-04T15:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-33054"
    },
    {
      "type": "REPORT",
      "url": "https://www.sogo.nu/news/2021/saml-vulnerability.html"
    },
    {
      "type": "REPORT",
      "url": "https://blogs.akamai.com/2021/06/saml-implementation-vulnerability-impacting-some-akamai-services.html"
    },
    {
      "type": "REPORT",
      "url": "https://blogs.akamai.com/2021/06/akamai-eaa-impersonation-vulnerability---a-deep-dive.html"
    },
    {
      "type": "REPORT",
      "url": "https://blogs.akamai.com/2021/06/sogo-and-packetfence-impacted-by-saml-implementation-vulnerabilities.html"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/inverse-inc/sogo/blob/master/CHANGELOG.md"
    },
    {
      "type": "REPORT",
      "url": "https://www.sogo.nu/news.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-33054"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8504-1"
    }
  ],
  "related": [
    "USN-8504-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-33054"
  ]
}



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