CVE-2023-4105 Attachment of deleted message in a thread remains accessible and downloadable

2023-08-1106:11:57

CWE-862

Mattermost

www.cve.org

cve-2023-4105

mattermost

attachment

accessible

downloadable

3.1 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

5.2 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

14.0%

JSON

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

CNA Affected

[
  {
    "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 "
      }
    ]
  }
]