{
    "id": "CVE-2020-29238",
    "published": "2021-03-10 03:15:12",
    "last_modified": "2026-07-09 01:16:44",
    "cvss_score": "7.5",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
    "cwe": "CWE-190",
    "description": "An integer buffer overflow in the Nginx webserver of ExpressVPN Router version 1 allows remote attackers to obtain sensitive information when the server running as reverse proxy via specially crafted request.",
    "epss_score": "0.16483",
    "epss_percentile": "0.96895",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-30 18:17:25",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "expressvpn",
            "product": "expressvpn"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "49760",
            "title": "ExpressVPN VPN Router 1.0 - Router Login Panel's Integer Overflow",
            "date": "2021-04-13",
            "url": "https://www.exploit-db.com/exploits/49760"
        }
    ],
    "refs_list": [
        "http://ja1sharma.com/blog/2021/CVE-2020-29238/",
        "http://packetstormsecurity.com/files/162152/ExpressVPN-VPN-Router-1.0-Integer-Overflow.html",
        "https://bugcrowd.com/disclosures/4e8d5325-8e49-4ea3-962a-a088bbb73a3f/expressvpn-router-integer-buffer-overflow-server-info-disclosure-when-router-s-nginx-server-used-as-reverse-proxy-server",
        "http://ja1sharma.com/blog/2021/CVE-2020-29238/",
        "http://packetstormsecurity.com/files/162152/ExpressVPN-VPN-Router-1.0-Integer-Overflow.html",
        "https://bugcrowd.com/disclosures/4e8d5325-8e49-4ea3-962a-a088bbb73a3f/expressvpn-router-integer-buffer-overflow-server-info-disclosure-when-router-s-nginx-server-used-as-reverse-proxy-server"
    ]
}