Cisco SD-WAN vEdge Software Access Control List Bypass Vulnerability_CVE-2025-20339

{
    "lastseen": "",
    "description": "A vulnerability in the access control list (ACL) processing of IPv4 packets of Cisco SD-WAN vEdge Software could allow an unauthenticated, remote attacker to bypass a configured ACL.\r\n\r\nThis vulnerability is due to the improper enforcement of the implicit deny all at the end of a configured ACL. An attacker could exploit this vulnerability by attempting to send unauthorized traffic to an interface on an affected device. A successful exploit could allow the attacker to bypass an ACL on the affected device.",
    "published": "2025-09-24T16:40:27.448Z",
    "modified": "2025-09-24T17:04:25.755Z",
    "type": "cve",
    "title": "Cisco SD-WAN vEdge Software Access Control List Bypass Vulnerability",
    "source": "cisco",
    "references": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-defaultacl-pSJk9nVF",
    "id": "CVE-2025-20339",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "Cisco Cisco SD-WAN vEdge Cloud 20.9.1\nCisco Cisco SD-WAN vEdge Cloud 20.9.1.1\nCisco Cisco SD-WAN vEdge Cloud 20.9.2\nCisco Cisco SD-WAN vEdge Cloud 20.9.3\nCisco Cisco SD-WAN vEdge Cloud 20.9.3.1\nCisco Cisco SD-WAN vEdge Cloud 20.9.2.2\nCisco Cisco SD-WAN vEdge Cloud 20.9.2.3\nCisco Cisco SD-WAN vEdge Cloud 20.9.4\nCisco Cisco SD-WAN vEdge Cloud 20.9.5\nCisco Cisco SD-WAN vEdge Cloud 20.9.5.1\nCisco Cisco SD-WAN vEdge Cloud 20.9.6\nCisco Cisco SD-WAN vEdge Cloud 20.9.5.3\nCisco Cisco SD-WAN vEdge Router 20.3.1\nCisco Cisco SD-WAN vEdge Router 20.3.2\nCisco Cisco SD-WAN vEdge Router 20.4.1\nCisco Cisco SD-WAN vEdge Router 20.4.1.1\nCisco Cisco SD-WAN vEdge Router 20.3.3\nCisco Cisco SD-WAN vEdge Router 20.4.1.2\nCisco Cisco SD-WAN vEdge Router 20.4.2\nCisco Cisco SD-WAN vEdge Router 20.3.4\nCisco Cisco SD-WAN vEdge Router 20.3.5\nCisco Cisco SD-WAN vEdge Router 20.9.1\nCisco Cisco SD-WAN vEdge Router 20.3.6\nCisco Cisco SD-WAN vEdge Router 20.9.2\nCisco Cisco SD-WAN vEdge Router 20.3.7\nCisco Cisco SD-WAN vEdge Router 20.9.3\nCisco Cisco SD-WAN vEdge Router 20.3.3.2\nCisco Cisco SD-WAN vEdge Router 20.3.4.3\nCisco Cisco SD-WAN vEdge Router 20.9.3.1\nCisco Cisco SD-WAN vEdge Router 20.3.7.1\nCisco Cisco SD-WAN vEdge Router 20.3.5.1\nCisco Cisco SD-WAN vEdge Router 20.4.2.3\nCisco Cisco SD-WAN vEdge Router 20.9.2.2\nCisco Cisco SD-WAN vEdge Router 20.3.7.2\nCisco Cisco SD-WAN vEdge Router 20.9.2.3\nCisco Cisco SD-WAN vEdge Router 20.9.4\nCisco Cisco SD-WAN vEdge Router 20.12.1\nCisco Cisco SD-WAN vEdge Router 20.3.8\nCisco Cisco SD-WAN vEdge Router 20.9.4.1777\nCisco Cisco SD-WAN vEdge Router 20.9.5\nCisco Cisco SD-WAN vEdge Router 20.9.5.1\nCisco Cisco SD-WAN vEdge Router 20.12.3.1\nCisco Cisco SD-WAN vEdge Router 20.9.6\nCisco Cisco SD-WAN vEdge Router 20.9.5.3",
    "sourceHref": "",
    "cvss": {
        "score": 5.8,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
        "version": "3.1"
    },
    "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": "Cisco SD-WAN vEdge Cloud",
    "version": "20.9.1",
    "vendor": "Cisco",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}