Vulnerability-Lookup

CVE-2025-20630 (GCVE-0-2025-20630)

Vulnerability from cvelistv5 – Published: 2025-01-16 18:18 – Updated: 2025-01-16 18:55

Title

Mobile crash via object that can't be cast to String in Attachment Field

Summary

Mattermost Mobile versions <=2.22.0 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the mobile to crash via creating and sending such a post to a channel.

Severity

6.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-01-16 18:54 UTC

CWE

CWE-1287 - Improper Validation of Specified Type of Input

Assigner

Mattermost mitre root

References

1 reference

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

Impacted products

1 product

Vendor	Product	Version	CPE status
Mattermost	Mattermost	Affected: 0 , ≤ <=2.22.0 (semver) Unaffected: 2.23.0	guessed

Credits

c0rydoras (c0rydoras)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2025-20630

Vulnerability from fkie_nvd - Published: 2025-01-16 19:15 - Updated: 2026-06-17 08:41

Severity

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

References

	URL	Tags
	responsibledisclosure@mattermost.com	https://mattermost.com/security-updates	Vendor Advisory

Impacted products

	Vendor	Product	Version
	mattermost	mattermost_mobile	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Mattermost",
          "vendor": "Mattermost",
          "versions": [
            {
              "lessThanOrEqual": "\u003c=2.22.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "2.23.0"
            }
          ]
        }
      ],
      "source": "responsibledisclosure@mattermost.com"
    }
  ],
  "configurations": [
    {
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            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_mobile:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D0CB15D9-251D-4872-99D7-27AD709FBF25",
              "versionEndExcluding": "2.23.0",
              "vulnerable": true
            }
          ],
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  ],
  "cveTags": [],
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    {
      "lang": "en",
      "value": "Mattermost Mobile versions \u003c=2.22.0 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the mobile to crash via creating and sending such a post to a channel."
    },
    {
      "lang": "es",
      "value": "Las versiones de Mattermost Mobile \u0026lt;=2.22.0 no gestionan adecuadamente las publicaciones con archivos adjuntos que contienen campos que no se pueden convertir a una cadena, lo que permite a un atacante provocar que el m\u00f3vil se bloquee al crear y enviar dicha publicaci\u00f3n a un canal."
    }
  ],
  "id": "CVE-2025-20630",
  "lastModified": "2026-06-17T08:41:42.093",
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          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
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          "baseScore": 6.5,
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GHSA-93W4-X8JH-J7M2

Vulnerability from github – Published: 2025-01-16 21:30 – Updated: 2025-01-16 21:30

Details

Severity

6.5 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-20630"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1287"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-01-16T19:15:30Z",
    "severity": "MODERATE"
  },
  "details": "Mattermost Mobile versions \u003c=2.22.0 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the mobile to crash via creating and sending such a post to a channel.",
  "id": "GHSA-93w4-x8jh-j7m2",
  "modified": "2025-01-16T21:30:58Z",
  "published": "2025-01-16T21:30:58Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-20630"
    },
    {
      "type": "WEB",
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

CVE-2025-20630 (GCVE-0-2025-20630)

FKIE_CVE-2025-20630

GHSA-93W4-X8JH-J7M2

Tags

Sightings

Nomenclature

Related by attack behaviour