{
    "id": "CVE-2021-29978",
    "published": "2021-08-05 20:15:08",
    "last_modified": "2026-06-17 03:48:32",
    "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": "Multiple low security issues were discovered and fixed in a security audit of Mozilla VPN 2.x branch as part of a 3rd party security audit. This vulnerability affects Mozilla VPN < 2.3.",
    "epss_score": "0.02780",
    "epss_percentile": "0.86006",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-12 18:17:26",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "mozilla",
            "product": "mozilla_vpn"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/797",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/798",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/799",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/800",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/801",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/803",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/804",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/805",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/806",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/808",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/809",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/810",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/812",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/pull/816",
        "https://www.mozilla.org/security/advisories/mfsa2021-31/",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/797",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/798",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/799",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/800",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/801",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/803",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/804",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/805",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/806",
        "https://github.com/mozilla-mobile/mozilla-vpn-client/issues/808"
    ]
}