{
  "id": "CVE-2024-29977",
  "sourceIdentifier": "responsibledisclosure@mattermost.com",
  "published": "2024-08-01T15:15:11.290",
  "lastModified": "2024-08-23T14:52:19.923",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly validate\u00a0synced reactions, when shared channels are enabled,\u00a0which allows a malicious remote to create arbitrary reactions on arbitrary posts"
    },
    {
      "lang": "es",
      "value": " Las versiones 9.9.x &lt;= 9.9.0, 9.5.x &lt;= 9.5.6 de Mattermost no validan correctamente las reacciones sincronizadas cuando los canales compartidos est\u00e1n habilitados, lo que permite que un control remoto malicioso cree reacciones arbitrarias en publicaciones arbitrarias."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4
      },
      {
        "source": "responsibledisclosure@mattermost.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 2.7,
          "baseSeverity": "LOW"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 1.4
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    },
    {
      "source": "responsibledisclosure@mattermost.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "9.5.0",
              "versionEndExcluding": "9.5.7",
              "matchCriteriaId": "0942D308-9462-4C2A-A9FE-838EB5842E02"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:mattermost:mattermost:9.9.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "DA215755-4D08-4B4D-9736-DAF54D2F0B9C"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://mattermost.com/security-updates",
      "source": "responsibledisclosure@mattermost.com",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}