FKIE_CVE-2024-9155

Vulnerability from fkie_nvd - Published: 2024-09-26 15:15 - Updated: 2026-06-17 08:24
Severity
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
Mattermost versions 9.10.x <= 9.10.1, 9.9.x <= 9.9.2, 9.5.x <= 9.5.8 fail to limit access to channels files that have not been linked to a post which allows an attacker to view them in channels that they are a member of.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost_server *
mattermost mattermost_server *
mattermost mattermost_server *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Mattermost",
          "vendor": "Mattermost",
          "versions": [
            {
              "lessThanOrEqual": "9.10.1",
              "status": "affected",
              "version": "9.10.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "9.9.2",
              "status": "affected",
              "version": "9.9.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "9.5.8",
              "status": "affected",
              "version": "9.5.0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "9.11.0"
            },
            {
              "status": "unaffected",
              "version": "9.10.2"
            },
            {
              "status": "unaffected",
              "version": "9.9.3"
            },
            {
              "status": "unaffected",
              "version": "9.5.9"
            }
          ]
        }
      ],
      "source": "responsibledisclosure@mattermost.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BC97EDD1-AD9D-484B-99B0-D49541EFBA52",
              "versionEndExcluding": "9.5.9",
              "versionStartIncluding": "9.5.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "20276949-478F-4F2C-9D07-F9B3C04CADD9",
              "versionEndExcluding": "9.9.3",
              "versionStartIncluding": "9.9.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6AE34CB3-C7F7-4AAD-888E-5057ACBE9BC4",
              "versionEndExcluding": "9.10.2",
              "versionStartIncluding": "9.10.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mattermost versions 9.10.x \u003c= 9.10.1, 9.9.x \u003c= 9.9.2, 9.5.x \u003c= 9.5.8 fail to limit access to channels files that have not been linked to a post which allows an attacker to view them in channels that they are a member of."
    },
    {
      "lang": "es",
      "value": "Las versiones de Mattermost 9.10.x \u0026lt;= 9.10.1, 9.9.x \u0026lt;= 9.9.2, 9.5.x \u0026lt;= 9.5.8 no logran limitar el acceso a los archivos de canales que no se han vinculado a una publicaci\u00f3n, lo que permite a un atacante verlos en los canales de los que son miembros."
    }
  ],
  "id": "CVE-2024-9155",
  "lastModified": "2026-06-17T08:24:03.560",
  "metrics": {
    "cvssMetricV31": [
      {
        "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": "responsibledisclosure@mattermost.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-9155",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-26T15:17:17.560859Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-09-26T15:15:18.060",
  "references": [
    {
      "source": "responsibledisclosure@mattermost.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "sourceIdentifier": "responsibledisclosure@mattermost.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ],
      "source": "responsibledisclosure@mattermost.com",
      "type": "Secondary"
    }
  ]
}


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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

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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.