{"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": "2026-01-22T00:18:54.051Z"}, "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 \u2013 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"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "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."}], "id": "CVE-2025-27377", "lastModified": "2026-01-22T01:15:50.510", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 1.6, "impactScore": 3.6, "source": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79", "type": "Secondary"}]}, "published": "2026-01-22T01:15:50.510", "references": [{"source": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79", "url": "https://www.altium.com/platform/security-compliance/security-advisories"}], "sourceIdentifier": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}], "source": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79", "type": "Secondary"}]}

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