Vulnerability-Lookup

GHSA-GQ66-GR4Q-GQWP

Vulnerability from github – Published: 2025-12-12 06:31 – Updated: 2025-12-12 06:31

Details

In GroupSession, a Circular notice can be created with its memo field non-editable, but the authorization check is improperly implemented. With some crafted request, a logged-in user may alter the memo field. The affected products and versions are GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2.

Severity

4.3 (Medium)


                  
                    CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

5.3 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2025-61950"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-639"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-12T05:16:07Z",
    "severity": "MODERATE"
  },
  "details": "In GroupSession, a Circular notice can be created with its memo field non-editable, but the authorization check is improperly implemented. With some crafted request, a logged-in user may alter the memo field. The affected products and versions are GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2.",
  "id": "GHSA-gq66-gr4q-gqwp",
  "modified": "2025-12-12T06:31:14Z",
  "published": "2025-12-12T06:31:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61950"
    },
    {
      "type": "WEB",
      "url": "https://groupsession.jp/info/info-news/security20251208"
    },
    {
      "type": "WEB",
      "url": "https://jvn.jp/en/jp/JVN19940619"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2025-61950 (GCVE-0-2025-61950)

Vulnerability from cvelistv5 – Published: 2025-12-12 05:02 – Updated: 2025-12-12 18:44

Summary

Severity

4.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

5.3 (Medium)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-639 - Authorization bypass through user-controlled key

Assigner

jpcert

References

2 references

URL	Tags
https://groupsession.jp/info/info-news/security20251208
https://jvn.jp/en/jp/JVN19940619/

Impacted products

3 products

Vendor	Product	Version
Japan Total System Co.,Ltd.	GroupSession Free edition	Affected: prior to ver5.3.0
Japan Total System Co.,Ltd.	GroupSession byCloud	Affected: prior to ver5.3.3
Japan Total System Co.,Ltd.	GroupSession ZION	Affected: prior to ver5.3.2

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JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-61950",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-12T18:44:29.422060Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-12T18:44:39.141Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "GroupSession Free edition",
          "vendor": "Japan Total System Co.,Ltd.",
          "versions": [
            {
              "status": "affected",
              "version": "prior to ver5.3.0"
            }
          ]
        },
        {
          "product": "GroupSession byCloud",
          "vendor": "Japan Total System Co.,Ltd.",
          "versions": [
            {
              "status": "affected",
              "version": "prior to ver5.3.3"
            }
          ]
        },
        {
          "product": "GroupSession ZION",
          "vendor": "Japan Total System Co.,Ltd.",
          "versions": [
            {
              "status": "affected",
              "version": "prior to ver5.3.2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In GroupSession, a Circular notice can be created with its memo field non-editable, but the authorization check is improperly implemented. With some crafted request, a logged-in user may alter the memo field. The affected products and versions are GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        },
        {
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            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-639",
              "description": "Authorization bypass through user-controlled key",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-12T05:02:11.514Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://groupsession.jp/info/info-news/security20251208"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN19940619/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2025-61950",
    "datePublished": "2025-12-12T05:02:11.514Z",
    "dateReserved": "2025-11-27T05:42:07.740Z",
    "dateUpdated": "2025-12-12T18:44:39.141Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Action not permitted

GHSA-GQ66-GR4Q-GQWP

CVE-2025-61950 (GCVE-0-2025-61950)

Tags

Sightings

Nomenclature