{
    "id": "CVE-2020-10857",
    "published": "2021-02-05 20:15:12",
    "last_modified": "2026-06-17 02:48:34",
    "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": null,
    "description": "Zulip Desktop before 5.0.0 improperly uses shell.openExternal and shell.openItem with untrusted content, leading to remote code execution.",
    "epss_score": "0.03039",
    "epss_percentile": "0.87148",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-10 18:17:21",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "zulip",
            "product": "zulip_desktop"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://blog.zulip.com/2020/04/01/zulip-desktop-5-0-0-security-release/",
        "https://blog.zulip.com/2020/04/01/zulip-desktop-5-0-0-security-release/"
    ]
}