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cve[email protected]CVE-2024-36255
HistoryMay 26, 2024 - 2:15 p.m.

CVE-2024-36255

2024-05-2614:15:10
CWE-352
web.nvd.nist.gov
28
mattermost
input validation
vulnerability
slash command
deceptive post action

5.7 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

6.9 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

9.1%

Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1 and 8.1.x <= 8.1.12 fail to perform proper input validation on post actions which allows an attacker to run a playbook checklist task command as another user via creating and sharing a deceptive post action that unexpectedly runs a slash command in some arbitrary channel.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "9.5.3",
        "status": "affected",
        "version": "9.5.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "9.6.1",
        "status": "affected",
        "version": "9.6.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "8.1.12",
        "status": "affected",
        "version": "8.1.0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "9.7.0"
      },
      {
        "status": "unaffected",
        "version": "9.5.4"
      },
      {
        "status": "unaffected",
        "version": "9.6.2"
      },
      {
        "status": "unaffected",
        "version": "8.1.13"
      }
    ]
  }
]

5.7 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

6.9 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

9.1%

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