{
    "id": "CVE-2023-34939",
    "published": "2023-06-22 12:15:12",
    "last_modified": "2026-06-17 06:04:08",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-22",
    "description": "Onlyoffice Community Server before v12.5.2 was discovered to contain a remote code execution (RCE) vulnerability via the component UploadProgress.ashx.",
    "epss_score": "0.05033",
    "epss_percentile": "0.92045",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-07 18:17:33",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "onlyoffice",
            "product": "onlyoffice"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://github.com/ONLYOFFICE/CommunityServer/blob/master/CHANGELOG.md#version-1252",
        "https://github.com/firsov/onlyoffice",
        "https://github.com/firsov/onlyoffice/blob/main/CVE-2023-34939-PoC.md",
        "https://github.com/ONLYOFFICE/CommunityServer/blob/master/CHANGELOG.md#version-1252",
        "https://github.com/firsov/onlyoffice",
        "https://github.com/firsov/onlyoffice/blob/main/CVE-2023-34939-PoC.md"
    ]
}