CVE-2024-29977

2024-08-0115:15:11

CWE-284

Mattermost

web.nvd.nist.gov

mattermost

validation

vulnerability

shared channels

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

3.9

Confidence

High

EPSS

Percentile

14.7%

JSON

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly validate synced reactions, when shared channels are enabled, which allows a malicious remote to create arbitrary reactions on arbitrary posts

Affected configurations

Nvd

Node

mattermostmattermostRange9.5.0–9.5.7

mattermostmattermostMatch9.9.0

VendorProductVersionCPE
mattermostmattermost*cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
mattermostmattermost9.9.0cpe:2.3:a:mattermost:mattermost:9.9.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mattermost	mattermost	*	cpe:2.3:a:mattermost:mattermost::::::::
mattermost	mattermost	9.9.0	cpe:2.3:a:mattermost:mattermost:9.9.0:::::::*

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "status": "affected",
        "version": "9.9.0"
      },
      {
        "lessThanOrEqual": "9.5.6",
        "status": "affected",
        "version": "9.5.0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "9.10.0"
      },
      {
        "status": "unaffected",
        "version": "9.9.1"
      },
      {
        "status": "unaffected",
        "version": "9.5.7"
      }
    ]
  }
]