{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-27377",
        "assignerOrgId": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79",
        "state": "PUBLISHED",
        "assignerShortName": "Altium",
        "dateReserved": "2025-02-23T21:02:12.105Z",
        "datePublished": "2026-01-22T00:16:04.634Z",
        "dateUpdated": "2026-01-22T14:41:16.446Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "modules": [
                        "Cloud connections"
                    ],
                    "platforms": [
                        "Web"
                    ],
                    "product": "Altium Designer",
                    "vendor": "Altium",
                    "versions": [
                        {
                            "changes": [
                                {
                                    "at": "25.2",
                                    "status": "unaffected"
                                }
                            ],
                            "lessThanOrEqual": "25.1",
                            "status": "affected",
                            "version": "24.9",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "datePublic": "2025-04-04T15:43:00.000Z",
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "Altium Designer version 24.9.0 does not validate self-signed server certificates for cloud connections. An attacker capable of performing a man-in-the-middle (MITM) attack could exploit this issue to intercept or manipulate network traffic, potentially exposing authentication credentials or sensitive design data.<br><br>"
                        }
                    ],
                    "value": "Altium Designer version 24.9.0 does not validate self-signed server certificates for cloud connections. An attacker capable of performing a man-in-the-middle (MITM) attack could exploit this issue to intercept or manipulate network traffic, potentially exposing authentication credentials or sensitive design data."
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-94",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-94 Man-in-the-Middle Attack"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "HIGH",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 5.3,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "REQUIRED",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N",
                        "version": "3.1"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-295",
                            "description": "CWE-295 – Improper Certificate Validation",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79",
                "shortName": "Altium",
                "dateUpdated": "2026-01-22T00:18:54.051Z"
            },
            "references": [
                {
                    "url": "https://www.altium.com/platform/security-compliance/security-advisories"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "title": "Missing Validation of Self-Signed Certificates in Altium Designer Allows Man-in-the-Middle Attacks",
            "x_generator": {
                "engine": "Vulnogram 0.5.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-01-22T14:41:09.462402Z",
                                "id": "CVE-2025-27377",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-01-22T14:41:16.446Z"
                }
            }
        ]
    }
}