Vulnerability-Lookup

GHSA-XP9J-8P68-9Q93

Vulnerability from github – Published: 2024-04-05 09:30 – Updated: 2024-12-13 20:30

Summary

Mattermost Server Improper Access Control

Details

Improper Access Control in Mattermost Server versions 8.1.x before 8.1.11 allows an attacker that is in a channel with an active call to keep participating in the call even if they are removed from the channel

Severity

3.1 (Low)


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

2.3 (Low)


                  
                    CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Show details on source website

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost/server/v8"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.1.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-21848"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-273",
      "CWE-284"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-04-05T17:03:58Z",
    "nvd_published_at": "2024-04-05T09:15:09Z",
    "severity": "LOW"
  },
  "details": "Improper Access Control in Mattermost Server versions 8.1.x before 8.1.11 allows an attacker that is in a channel with an active call to keep participating in the call even if they are removed from the channel\n\n",
  "id": "GHSA-xp9j-8p68-9q93",
  "modified": "2024-12-13T20:30:33Z",
  "published": "2024-04-05T09:30:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-21848"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mattermost/mattermost"
    },
    {
      "type": "WEB",
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Mattermost Server Improper Access Control"
}

CVE-2024-21848 (GCVE-0-2024-21848)

Vulnerability from cvelistv5 – Published: 2024-04-05 08:13 – Updated: 2025-02-27 19:28

Title

Users maintain access to active call after being removed from a channel

Summary

Severity

3.1 (Low)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-07-15 15:46 UTC

CWE

CWE-284 - Improper Access Control

Assigner

Mattermost CNA under the mitre root

CNA scorecard B 80/100 over 107 records in the last 180 days details

References

1 reference

URL	Tags
https://mattermost.com/security-updates

Impacted products

1 product

Vendor	Product	Version
Mattermost	Mattermost	Affected: 8.1.0 , ≤ 8.1.10 (semver) Unaffected: 9.5.0 Unaffected: 8.1.11

Credits

Leandro Chaves (brdoors3)

Show details on NVD website

JSON

To clipboard

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        "metrics": [
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            "other": {
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                "id": "CVE-2024-21848",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-07-15T15:46:42.823620Z",
                "version": "2.0.3"
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            "tags": [
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            "url": "https://mattermost.com/security-updates"
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              "version": "8.1.0",
              "versionType": "semver"
            },
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              "status": "unaffected",
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            },
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            }
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            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
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            "userInteraction": "NONE",
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            "version": "3.1"
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          "scenarios": [
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              "lang": "en",
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            }
          ],
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        }
      ],
      "source": {
        "advisory": "MMSA-2023-00256",
        "defect": [
          "https://mattermost.atlassian.net/browse/MM-54545"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "Users maintain access to active call after being removed from a channel",
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  "cveMetadata": {
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    "state": "PUBLISHED"
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}

Sightings

Author	Source	Type	Date	Other

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.

Vulnerability timeline

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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