CERTFR-2025-AVI-1052

Vulnerability from certfr_avis - Published: 2025-12-01 - Updated: 2025-12-01

Une vulnérabilité a été découverte dans Mattermost Server. Elle permet à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products
Vendor Product Description
Mattermost Mattermost Server Mattermost Server versions 11.1.x antérieures à 11.1.1
Mattermost Mattermost Server Mattermost Server versions 11.0.x antérieures à 11.0.6
Mattermost Mattermost Server Mattermost Server versions 10.12.x antérieures à 10.12.4
Mattermost Mattermost Server Mattermost Server versions 10.11.x antérieures à 10.11.8
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Mattermost Server versions 11.1.x ant\u00e9rieures \u00e0 11.1.1",
      "product": {
        "name": "Mattermost Server",
        "vendor": {
          "name": "Mattermost",
          "scada": false
        }
      }
    },
    {
      "description": "Mattermost Server versions 11.0.x ant\u00e9rieures \u00e0 11.0.6",
      "product": {
        "name": "Mattermost Server",
        "vendor": {
          "name": "Mattermost",
          "scada": false
        }
      }
    },
    {
      "description": "Mattermost Server versions 10.12.x ant\u00e9rieures \u00e0 10.12.4",
      "product": {
        "name": "Mattermost Server",
        "vendor": {
          "name": "Mattermost",
          "scada": false
        }
      }
    },
    {
      "description": "Mattermost Server versions 10.11.x ant\u00e9rieures \u00e0 10.11.8",
      "product": {
        "name": "Mattermost Server",
        "vendor": {
          "name": "Mattermost",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [],
  "initial_release_date": "2025-12-01T00:00:00",
  "last_revision_date": "2025-12-01T00:00:00",
  "links": [],
  "reference": "CERTFR-2025-AVI-1052",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2025-12-01T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans Mattermost Server. Elle permet \u00e0 un attaquant de provoquer un probl\u00e8me de s\u00e9curit\u00e9 non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur.",
  "title": "Vuln\u00e9rabilit\u00e9 dans Mattermost Server",
  "vendor_advisories": [
    {
      "published_at": "2025-11-27",
      "title": "Bulletin de s\u00e9curit\u00e9 Mattermost MMSA-2025-00545",
      "url": "https://mattermost.com/security-updates/"
    }
  ]
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.