{
    "id": "CVE-2020-25820",
    "published": "2020-10-21 13:15:12",
    "last_modified": "2026-06-17 03:07:20",
    "cvss_score": "6.5",
    "cvss_severity": "MEDIUM",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
    "cwe": "CWE-918",
    "description": "BigBlueButton before 2.2.7 allows remote authenticated users to read local files and conduct SSRF attacks via an uploaded Office document that has a crafted URL in an ODF xlink field.",
    "epss_score": "0.10482",
    "epss_percentile": "0.95606",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-28 18:17:26",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "bigbluebutton",
            "product": "bigbluebutton"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "49070",
            "title": "BigBlueButton 2.2.25 - Arbitrary File Disclosure and Server-Side Request Forgery",
            "date": "2020-11-18",
            "url": "https://www.exploit-db.com/exploits/49070"
        }
    ],
    "refs_list": [
        "http://packetstormsecurity.com/files/159667/BigBlueButton-2.2.25-File-Disclosure-Server-Side-Request-Forgery.html",
        "https://github.com/bigbluebutton/bigbluebutton/commit/71fe1eac1e5bd73a2cd44bd79c001086b250e435",
        "https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.26...v2.2.27",
        "https://www.golem.de/news/big-blue-button-das-grosse-blaue-sicherheitsrisiko-2010-151610.html",
        "https://www.redteam-pentesting.de/advisories/rt-sa-2020-005",
        "http://packetstormsecurity.com/files/159667/BigBlueButton-2.2.25-File-Disclosure-Server-Side-Request-Forgery.html",
        "https://github.com/bigbluebutton/bigbluebutton/commit/71fe1eac1e5bd73a2cd44bd79c001086b250e435",
        "https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.26...v2.2.27",
        "https://www.golem.de/news/big-blue-button-das-grosse-blaue-sicherheitsrisiko-2010-151610.html",
        "https://www.redteam-pentesting.de/advisories/rt-sa-2020-005"
    ]
}