CVE-2025-13086_CVE-2025-13086

4.6 / 10

MEDIUM

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U

Description

Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.7_rc1 allows an attacker to open a session from a different IP address which did not initiate the connection resulting in a denial of service for the originating client

Basic Information

ID CVE-2025-13086

Source OpenVPN

Published Dec 3, 2025 at 19:54

Modified Dec 3, 2025 at 21:49

Affected Product

Vendor OpenVPN

Product OpenVPN

Version 2.6.0

Affected Versions OpenVPN OpenVPN 2.6.0

CWE Classification

CWE-940

References

{
    "lastseen": "",
    "description": "Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.7_rc1 allows an attacker to open a session from a different IP address which did not initiate the connection resulting in a denial of service for the originating client",
    "published": "2025-12-03T19:54:10.737Z",
    "modified": "2025-12-03T21:49:07.801Z",
    "type": "cve",
    "title": "CVE-2025-13086",
    "source": "OpenVPN",
    "references": "https://community.openvpn.net/Security%20Announcements/CVE-2025-13086\nhttps://www.mail-archive.com/[email protected]/msg00152.html\nhttps://www.mail-archive.com/[email protected]/msg00151.html",
    "id": "CVE-2025-13086",
    "bulletinFamily": "",
    "cwe": [
        "CWE-940"
    ],
    "cvelist": null,
    "sourceData": "OpenVPN OpenVPN 2.6.0",
    "sourceHref": "",
    "cvss": {
        "score": 4.6,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "OpenVPN",
    "version": "2.6.0",
    "vendor": "OpenVPN",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}