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MattermostCVELIST:CVE-2024-39807

HistoryJul 03, 2024 - 8:31 a.m.

CVE-2024-39807 Channel IDs of archived/restored channels leaked via webhook events

2024-07-0308:31:58

CWE-200

Mattermost

www.cve.org

mattermost

webhook

vulnerability

channel ids

archived channels

restored channels

CVSS3

3.1

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

EPSS

0.001

Percentile

17.2%

JSON

Mattermost versions 9.5.x <= 9.5.5 and 9.8.0 fail to properly sanitize the recipients of a webhook event which allows an attacker monitoring webhook events to retrieve the channel IDs of archived or restored channels.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "status": "affected",
        "version": "9.8.0"
      },
      {
        "lessThanOrEqual": "9.5.5",
        "status": "affected",
        "version": "9.5.0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "9.9.0"
      },
      {
        "status": "unaffected",
        "version": "9.8.1"
      },
      {
        "status": "unaffected",
        "version": "9.5.6"
      }
    ]
  }
]

References

mattermost.com/security-updates

CVSS3

3.1

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

EPSS

0.001

Percentile

17.2%

JSON

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