Vulnerability-Lookup

CVE-2023-26150 (GCVE-0-2023-26150)

Vulnerability from cvelistv5 – Published: 2023-10-03 05:00 – Updated: 2024-09-20 14:15

Summary

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/E:P

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-20 14:15 UTC

CWE

CWE-287 - Improper Authentication

Assigner

snyk mitre root

References

7 references

URL	Tags
https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA…
https://gist.github.com/artfire52/84f7279a4119d6f…
https://github.com/FreeOpcUa/opcua-asyncio/issues/1014
https://github.com/FreeOpcUa/opcua-asyncio/pull/1015
https://github.com/FreeOpcUa/opcua-asyncio/commit…
https://github.com/FreeOpcUa/opcua-asyncio/releas…
https://github.com/FreeOpcUa/opcua-asyncio/commit…

Impacted products

1 product

Vendor	Product	Version	CPE status
n/a	asyncua	Affected: 0 , < 0.9.96 (semver)

Credits

Tran Van Arthur

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2023-26150

Vulnerability from fkie_nvd - Published: 2023-10-03 05:15 - Updated: 2026-06-17 05:42

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

Summary

References

URL	Tags
report@snyk.io	https://gist.github.com/artfire52/84f7279a4119d6f90381ac49d7121121	Exploit, Third Party Advisory
report@snyk.io	https://github.com/FreeOpcUa/opcua-asyncio/commit/2be7ce80df05de8d6c6ae1ebce6fa2bb7147844a	Patch
report@snyk.io	https://github.com/FreeOpcUa/opcua-asyncio/commit/b4106dfd5037423c9d1810b48a97296b59cde513	Patch
report@snyk.io	https://github.com/FreeOpcUa/opcua-asyncio/issues/1014	Exploit, Issue Tracking, Third Party Advisory
report@snyk.io	https://github.com/FreeOpcUa/opcua-asyncio/pull/1015	Patch
report@snyk.io	https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96	Product, Release Notes
report@snyk.io	https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673435	Exploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://gist.github.com/artfire52/84f7279a4119d6f90381ac49d7121121	Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/FreeOpcUa/opcua-asyncio/commit/2be7ce80df05de8d6c6ae1ebce6fa2bb7147844a	Patch
af854a3a-2127-422b-91ae-364da2661108	https://github.com/FreeOpcUa/opcua-asyncio/commit/b4106dfd5037423c9d1810b48a97296b59cde513	Patch
af854a3a-2127-422b-91ae-364da2661108	https://github.com/FreeOpcUa/opcua-asyncio/issues/1014	Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/FreeOpcUa/opcua-asyncio/pull/1015	Patch
af854a3a-2127-422b-91ae-364da2661108	https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96	Product, Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673435	Exploit, Patch, Third Party Advisory

Impacted products

	Vendor	Product	Version
	freeopcua	opcua-asyncio	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "asyncua",
          "vendor": "n/a",
          "versions": [
            {
              "lessThan": "0.9.96",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "report@snyk.io"
    }
  ],
  "configurations": [
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              "vulnerable": true
            }
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  ],
  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "value": "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.\r\r**Note:**\r\rThis issue is a result of missing checks for services that require an active session."
    },
    {
      "lang": "es",
      "value": "Las versiones del paquete asyncua anteriores a la 0.9.96 son vulnerables a una autenticaci\u00f3n incorrecta, por lo que es posible acceder al espacio de direcciones sin cifrado ni autenticaci\u00f3n. **Nota:** Este problema se debe a que faltan comprobaciones de servicios que requieren una sesi\u00f3n activa."
    }
  ],
  "id": "CVE-2023-26150",
  "lastModified": "2026-06-17T05:42:47.390",
  "metrics": {
    "cvssMetricV31": [
      {
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          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
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          "confidentialityImpact": "LOW",
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          "confidentialityImpact": "HIGH",
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          "version": "3.1"
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        "impactScore": 3.6,
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        "type": "Primary"
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          "options": [
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            {
              "automatable": "yes"
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          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-20T14:15:20.017758Z",
          "version": "2.0.3"
        }
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  "published": "2023-10-03T05:15:49.963",
  "references": [
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      "source": "report@snyk.io",
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  ]
}

GHSA-2894-QCQF-G23G

Vulnerability from github – Published: 2023-10-03 06:30 – Updated: 2023-10-04 19:34

Summary

asyncua Improper Authentication vulnerability

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

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "asyncua"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.9.96"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-26150"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-10-04T14:13:24Z",
    "nvd_published_at": "2023-10-03T05:15:49Z",
    "severity": "HIGH"
  },
  "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.\n\n**Note:**\n\nThis issue is a result of missing checks for services that require an active session.",
  "id": "GHSA-2894-qcqf-g23g",
  "modified": "2023-10-04T19:34:34Z",
  "published": "2023-10-03T06:30:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-26150"
    },
    {
      "type": "WEB",
      "url": "https://github.com/FreeOpcUa/opcua-asyncio/issues/1014"
    },
    {
      "type": "WEB",
      "url": "https://github.com/FreeOpcUa/opcua-asyncio/pull/1015"
    },
    {
      "type": "WEB",
      "url": "https://github.com/FreeOpcUa/opcua-asyncio/commit/2be7ce80df05de8d6c6ae1ebce6fa2bb7147844a"
    },
    {
      "type": "WEB",
      "url": "https://github.com/FreeOpcUa/opcua-asyncio/commit/b4106dfd5037423c9d1810b48a97296b59cde513"
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      "url": "https://gist.github.com/artfire52/84f7279a4119d6f90381ac49d7121121"
    },
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    },
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      "url": "https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/asyncua/PYSEC-2023-189.yaml"
    },
    {
      "type": "WEB",
      "url": "https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673435"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
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      "type": "CVSS_V3"
    }
  ],
  "summary": "asyncua Improper Authentication vulnerability"
}

GSD-2023-26150

Vulnerability from gsd - Updated: 2023-12-13 01:20

Details

Aliases

CVE-2023-26150

Aliases

CVE-2023-26150

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2023-26150",
    "id": "GSD-2023-26150"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
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        "CVE-2023-26150"
      ],
      "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.\r\r**Note:**\r\rThis issue is a result of missing checks for services that require an active session.",
      "id": "GSD-2023-26150",
      "modified": "2023-12-13T01:20:53.758732Z",
      "schema_version": "1.4.0"
    }
  },
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            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-10-04T17:12Z",
      "publishedDate": "2023-10-03T05:15Z"
    }
  }
}

PYSEC-2023-189

Vulnerability from pysec - Published: 2023-10-03 05:15 - Updated: 2023-10-04 18:37

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

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Impacted products

Name	purl
asyncua	pkg:pypi/asyncua

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "asyncua",
        "purl": "pkg:pypi/asyncua"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "b4106dfd5037423c9d1810b48a97296b59cde513"
            },
            {
              "fixed": "2be7ce80df05de8d6c6ae1ebce6fa2bb7147844a"
            }
          ],
          "repo": "https://github.com/FreeOpcUa/opcua-asyncio",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.9.96"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.5.0",
        "0.5.1",
        "0.6.0",
        "0.6.1",
        "0.8.0",
        "0.8.1",
        "0.8.2",
        "0.8.3",
        "0.8.4",
        "0.9.0",
        "0.9.1",
        "0.9.10",
        "0.9.11",
        "0.9.12",
        "0.9.14",
        "0.9.2",
        "0.9.3",
        "0.9.6",
        "0.9.8",
        "0.9.9",
        "0.9.90",
        "0.9.91",
        "0.9.92",
        "0.9.93",
        "0.9.94",
        "0.9.95"
      ]
    }
  ],
  "aliases": [
    "CVE-2023-26150",
    "GHSA-2894-qcqf-g23g"
  ],
  "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.\r\r**Note:**\r\rThis issue is a result of missing checks for services that require an active session.",
  "id": "PYSEC-2023-189",
  "modified": "2023-10-04T18:37:48.328804+00:00",
  "published": "2023-10-03T05:15:00+00:00",
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/FreeOpcUa/opcua-asyncio/commit/b4106dfd5037423c9d1810b48a97296b59cde513"
    },
    {
      "type": "FIX",
      "url": "https://github.com/FreeOpcUa/opcua-asyncio/commit/2be7ce80df05de8d6c6ae1ebce6fa2bb7147844a"
    },
    {
      "type": "WEB",
      "url": "https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96"
    },
    {
      "type": "EVIDENCE",
      "url": "https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673435"
    },
    {
      "type": "FIX",
      "url": "https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673435"
    },
    {
      "type": "WEB",
      "url": "https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673435"
    },
    {
      "type": "EVIDENCE",
      "url": "https://gist.github.com/artfire52/84f7279a4119d6f90381ac49d7121121"
    },
    {
      "type": "WEB",
      "url": "https://gist.github.com/artfire52/84f7279a4119d6f90381ac49d7121121"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/FreeOpcUa/opcua-asyncio/issues/1014"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/FreeOpcUa/opcua-asyncio/issues/1014"
    },
    {
      "type": "FIX",
      "url": "https://github.com/FreeOpcUa/opcua-asyncio/pull/1015"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-2894-qcqf-g23g"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

UBUNTU-CVE-2023-26150 (CVE-2023-26150)

Vulnerability from osv_ubuntu – Published: 2023-10-03 05:15 – Updated: 2025-10-24 05:01 – Source website

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

URL

Type

	https://ubuntu.com/security/CVE-2023-26150	REPORT
	https://github.com/FreeOpcUa/opcua-asyncio/commit…	REPORT
	https://github.com/FreeOpcUa/opcua-asyncio/commit…	REPORT
	https://github.com/FreeOpcUa/opcua-asyncio/releas…	REPORT
	https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA…	REPORT
	https://gist.github.com/artfire52/84f7279a4119d6f…	REPORT
	https://github.com/FreeOpcUa/opcua-asyncio/issues/1014	REPORT
	https://github.com/FreeOpcUa/opcua-asyncio/pull/1015	REPORT
	https://www.cve.org/CVERecord?id=CVE-2023-26150	REPORT

JSON

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"
  ]
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

CVE-2023-26150 (GCVE-0-2023-26150)

FKIE_CVE-2023-26150

GHSA-2894-QCQF-G23G

GSD-2023-26150

PYSEC-2023-189

UBUNTU-CVE-2023-26150 (CVE-2023-26150)

Tags

Sightings

Nomenclature

Related by attack behaviour