CVE-2025-54461_CVE-2025-54461

6.9 / 10

MEDIUM

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

Description

ChatLuck contains an insufficient granularity of access control vulnerability in Invitation of Guest Users. If exploited, an uninvited guest user may register itself as a guest user.

Basic Information

ID CVE-2025-54461

Source jpcert

Published Oct 16, 2025 at 08:55

Affected Product

Vendor NEOJAPAN Inc.

Product ChatLuck

Version V6.6 R2.0 and earlier

Affected Versions NEOJAPAN Inc. ChatLuck V6.6 R2.0 and earlier

CWE Classification

CWE-1220

References

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    "lastseen": "",
    "description": "ChatLuck contains an insufficient granularity of access control vulnerability in Invitation of Guest Users. If exploited, an uninvited guest user may register itself as a guest user.",
    "published": "2025-10-16T08:55:03.769Z",
    "modified": "2025-10-16T08:55:03.769Z",
    "type": "cve",
    "title": "CVE-2025-54461",
    "source": "jpcert",
    "references": "https://www.chatluck.com/support/package/mainte/pchatluck-%e8%a3%bd%e5%93%81%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e3%80%81%e8%a4%87%e6%95%b0%e3%81%ae%e3%82%bb%e3%82%ad%e3%83%a5%e3%83%aa%e3%83%86%e3%82%a3%e4%b8%8a%e3%81%ae%e5%95%8f%e9%a1%8c%e3%81%ab/\nhttps://jvn.jp/en/jp/JVN13030751/",
    "id": "CVE-2025-54461",
    "bulletinFamily": "",
    "cwe": [
        "CWE-1220"
    ],
    "cvelist": null,
    "sourceData": "NEOJAPAN Inc. ChatLuck V6.6 R2.0 and earlier",
    "sourceHref": "",
    "cvss": {
        "score": 6.9,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
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        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
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            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
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            "privilegesRequired": "",
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            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "ChatLuck",
    "version": "V6.6 R2.0 and earlier",
    "vendor": "NEOJAPAN Inc.",
    "ai_description": "",
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    "ai_score": 0
}