CVE-2024-1942

2024-02-2910:41:38

CWE-284

Mattermost

github.com

mattermost versions

sanitize metadata

access control

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

6.5

Confidence

Low

SSVC

Exploitation

none

Automatable

Technical Impact

partial

JSON

Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, and 9.3.0 fail to sanitize the metadata on posts containing permalinks under specific conditions, which allows an authenticated attacker to access the contents of individual posts in channels they are not a member of.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "9.2.4",
        "status": "affected",
        "version": "9.2.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "8.1.8",
        "status": "affected",
        "version": "8.1.0",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "9.3.0"
      },
      {
        "status": "unaffected",
        "version": "9.4"
      },
      {
        "status": "unaffected",
        "version": "9.3.1"
      },
      {
        "status": "unaffected",
        "version": "9.2.5"
      },
      {
        "status": "unaffected",
        "version": "8.1.9"
      }
    ]
  }
]