{
    "id": "CVE-2020-25110",
    "published": "2020-12-11 23:15:14",
    "last_modified": "2026-06-17 03:06:23",
    "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-125",
    "description": "An issue was discovered in the DNS implementation in Ethernut in Nut/OS 5.1. The length byte of a domain name in a DNS query/response is not checked, and is used for internal memory operations. This may lead to successful Denial-of-Service, and possibly Remote Code Execution.",
    "epss_score": "0.53699",
    "epss_percentile": "0.98966",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-02 18:17:27",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 53.7% — above the 10% action threshold."
    },
    "products": [
        {
            "vendor": "ethernut",
            "product": "nut\\/os"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01",
        "https://www.kb.cert.org/vuls/id/815128",
        "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01",
        "https://www.kb.cert.org/vuls/id/815128"
    ]
}