Vulnerability-Lookup

CVE-2023-4105 (GCVE-0-2023-4105)

Vulnerability from cvelistv5 – Published: 2023-08-11 06:11 – Updated: 2024-10-01 20:31

Title

Attachment of deleted message in a thread remains accessible and downloadable

Summary

Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message

Severity

3.1 (Low)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-10-01 20:24 UTC

CWE

CWE-862 - Missing Authorization

Assigner

Mattermost CNA under the mitre root

CNA scorecard B 80/100 over 107 records in the last 180 days details

References

1 reference

URL	Tags
https://mattermost.com/security-updates

Impacted products

1 product

Vendor	Product	Version	CPE status
Mattermost	Mattermost	Affected: 0 , ≤ 7.8.7 (semver) Affected: 0 , ≤ 7.9.5 (semver) Affected: 0 , ≤ 7.10.3 (semver) Unaffected: 7.8.8 Unaffected: 7.9.6 Unaffected: 7.10.4	guessed

Credits

BhaRat (hackit_bharat)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2023-4105

Vulnerability from fkie_nvd - Published: 2023-08-11 07:15 - Updated: 2026-06-17 06:37

Severity

3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Summary

Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message

References

	URL	Tags
	responsibledisclosure@mattermost.com	https://mattermost.com/security-updates	Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://mattermost.com/security-updates	Vendor Advisory

Impacted products

Vendor	Product	Version
mattermost	mattermost	*
mattermost	mattermost	*
mattermost	mattermost	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "affected",
          "product": "Mattermost",
          "vendor": "Mattermost",
          "versions": [
            {
              "lessThanOrEqual": "7.8.7",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.9.5",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.10.3",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "7.8.8"
            },
            {
              "status": "unaffected",
              "version": "7.9.6"
            },
            {
              "status": "unaffected",
              "version": "7.10.4 "
            }
          ]
        }
      ],
      "source": "responsibledisclosure@mattermost.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "DD009FA6-13F6-4278-BFD6-FEF7EB0CBE76",
              "versionEndExcluding": "7.8.8",
              "versionStartIncluding": "7.8.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "48DD3C64-F6CE-486D-8AAF-DFB842C458A6",
              "versionEndExcluding": "7.9.6",
              "versionStartIncluding": "7.9.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2033E504-EE27-49CC-8E76-5776450E1CD6",
              "versionEndExcluding": "7.10.4",
              "versionStartIncluding": "7.10.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message\n\n"
    },
    {
      "lang": "es",
      "value": "Mattermost no elimina los archivos adjuntos al borrar un mensaje en un hilo, lo que permite que un simple usuario pueda seguir accediendo y descargando el archivo adjunto de un mensaje eliminado.\n"
    }
  ],
  "id": "CVE-2023-4105",
  "lastModified": "2026-06-17T06:37:05.540",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 3.1,
          "baseSeverity": "LOW",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 1.4,
        "source": "responsibledisclosure@mattermost.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-4105",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-10-01T20:24:15.469462Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-08-11T07:15:09.740",
  "references": [
    {
      "source": "responsibledisclosure@mattermost.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://mattermost.com/security-updates"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "sourceIdentifier": "responsibledisclosure@mattermost.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ],
      "source": "responsibledisclosure@mattermost.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

GHSA-G3V6-R8P9-WXG9

Vulnerability from github – Published: 2023-08-11 09:30 – Updated: 2023-08-11 21:53

Summary

Mattermost fails to correctly delete attachments

Details

Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message

Severity

3.1 (Low)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 7.9.5"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server/v6"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.9.0"
            },
            {
              "fixed": "7.9.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 7.10.3"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server/v6"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.10.0"
            },
            {
              "fixed": "7.10.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 7.8.7"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server/v6"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.8.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-4105"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-284",
      "CWE-862"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-08-11T21:53:22Z",
    "nvd_published_at": "2023-08-11T07:15:09Z",
    "severity": "LOW"
  },
  "details": "Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message\n\n",
  "id": "GHSA-g3v6-r8p9-wxg9",
  "modified": "2023-08-11T21:53:22Z",
  "published": "2023-08-11T09:30:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4105"
    },
    {
      "type": "WEB",
      "url": "https://mattermost.com/security-updates"
    },
    {
      "type": "PACKAGE",
      "url": "github.com/mattermost/mattermost"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Mattermost fails to correctly delete attachments"
}

GSD-2023-4105

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

Details

Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message

Aliases

CVE-2023-4105

Aliases

CVE-2023-4105

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2023-4105",
    "id": "GSD-2023-4105"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-4105"
      ],
      "details": "Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message\n\n",
      "id": "GSD-2023-4105",
      "modified": "2023-12-13T01:20:27.330001Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "responsibledisclosure@mattermost.com",
        "ID": "CVE-2023-4105",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Mattermost",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "affected",
                            "versions": [
                              {
                                "lessThanOrEqual": "7.8.7",
                                "status": "affected",
                                "version": "0",
                                "versionType": "semver"
                              },
                              {
                                "lessThanOrEqual": "7.9.5",
                                "status": "affected",
                                "version": "0",
                                "versionType": "semver"
                              },
                              {
                                "lessThanOrEqual": "7.10.3",
                                "status": "affected",
                                "version": "0",
                                "versionType": "semver"
                              },
                              {
                                "status": "unaffected",
                                "version": "7.8.8"
                              },
                              {
                                "status": "unaffected",
                                "version": "7.9.6"
                              },
                              {
                                "status": "unaffected",
                                "version": "7.10.4 "
                              }
                            ]
                          }
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Mattermost"
            }
          ]
        }
      },
      "credits": [
        {
          "lang": "en",
          "value": "BhaRat (hackit_bharat)"
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message\n\n"
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.1.0-dev"
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.1,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-862",
                "lang": "eng",
                "value": "CWE-862 Missing Authorization"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://mattermost.com/security-updates",
            "refsource": "MISC",
            "url": "https://mattermost.com/security-updates"
          }
        ]
      },
      "solution": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Update Mattermost Server to versions\u0026nbsp;7.10.4,\u0026nbsp;7.9.6,\u0026nbsp;7.8.8 or higher"
            }
          ],
          "value": "Update Mattermost Server to versions\u00a07.10.4,\u00a07.9.6,\u00a07.8.8 or higher"
        }
      ],
      "source": {
        "advisory": "MMSA-2023-00179",
        "defect": [
          "https://mattermost.atlassian.net/browse/MM-52414"
        ],
        "discovery": "EXTERNAL"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "7.10.4",
                "versionStartIncluding": "7.10.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "7.9.6",
                "versionStartIncluding": "7.9.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "7.8.8",
                "versionStartIncluding": "7.8.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "responsibledisclosure@mattermost.com",
          "ID": "CVE-2023-4105"
        },
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message\n\n"
            }
          ]
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        "problemtype": {
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            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-862"
                }
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://mattermost.com/security-updates",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
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            }
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      },
      "impact": {
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
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            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
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          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2023-08-15T20:36Z",
      "publishedDate": "2023-08-11T07:15Z"
    }
  }
}

WID-SEC-W-2023-1739

Vulnerability from csaf_certbund - Published: 2023-07-12 22:00 - Updated: 2023-08-10 22:00

Summary

Mattermost: Mehrere Schwachstellen

Severity

Mittel

Scope

4 vulnerabilities in this advisory, including CVE-2023-4105.

CVE-2023-4105

Es existieren mehrere Schwachstellen in Mattermost. Diese bestehen aufgrund ungenügender Überprüfungen von Berechtigungen und Eingaben und einer fehlerhaften Löschung von Anhängen. Ein authentisierter Angreifer kann diese Schwachstellen ausnutzen, um Informationen offenzulegen, Sicherheitsvorkehrungen zu umgehen, Daten zu manipulieren und einen Denial of Service zu verursachen.

Open the full advisory

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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.

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CVE-2023-4105 (GCVE-0-2023-4105)

FKIE_CVE-2023-4105

GHSA-G3V6-R8P9-WXG9

GSD-2023-4105

WID-SEC-W-2023-1739

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