ubuntu-cve-2023-26150
Vulnerability from osv_ubuntu
Published
2023-10-03 05:15
Modified
2025-10-24 05:01
Summary
Details

Versions of the package asyncua before 0.9.96 are vulnerable to Improper Authentication such that it is possible to access Address Space without encryption and authentication. Note: This issue is a result of missing checks for services that require an active session.

Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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": "python-opcua",
            "binary_version": "0.90.3-1"
          },
          {
            "binary_name": "python-opcua-tools",
            "binary_version": "0.90.3-1"
          },
          {
            "binary_name": "python3-opcua",
            "binary_version": "0.90.3-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "python-opcua",
        "purl": "pkg:deb/ubuntu/python-opcua@0.90.3-1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.90.3-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python-opcua-tools",
            "binary_version": "0.98.9-1"
          },
          {
            "binary_name": "python3-opcua",
            "binary_version": "0.98.9-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "python-opcua",
        "purl": "pkg:deb/ubuntu/python-opcua@0.98.9-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.98.6-3",
        "0.98.6-3ubuntu1",
        "0.98.9-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python-opcua-tools",
            "binary_version": "0.98.11-1ubuntu1"
          },
          {
            "binary_name": "python3-opcua",
            "binary_version": "0.98.11-1ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "python-opcua",
        "purl": "pkg:deb/ubuntu/python-opcua@0.98.11-1ubuntu1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.98.11-1",
        "0.98.11-1ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "Versions of the package asyncua before 0.9.96 are vulnerable to Improper Authentication such that it is possible to access Address Space without encryption and authentication.  **Note:**  This issue is a result of missing checks for services that require an active session.",
  "id": "UBUNTU-CVE-2023-26150",
  "modified": "2025-10-24T05:01:50Z",
  "published": "2023-10-03T05:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-26150"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/FreeOpcUa/opcua-asyncio/commit/b4106dfd5037423c9d1810b48a97296b59cde513"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/FreeOpcUa/opcua-asyncio/commit/2be7ce80df05de8d6c6ae1ebce6fa2bb7147844a"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96"
    },
    {
      "type": "REPORT",
      "url": "https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673435"
    },
    {
      "type": "REPORT",
      "url": "https://gist.github.com/artfire52/84f7279a4119d6f90381ac49d7121121"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/FreeOpcUa/opcua-asyncio/issues/1014"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/FreeOpcUa/opcua-asyncio/pull/1015"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-26150"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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-2023-26150"
  ]
}



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.


Detection rules are retrieved from Rulezet.