{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-41256", "assignerOrgId": "1e3a9e0f-5156-4bf8-b8a3-cc311bfc0f4a", "state": "PUBLISHED", "assignerShortName": "sba-research", "dateReserved": "2025-04-16T09:37:50.631Z", "datePublished": "2025-06-25T09:16:58.586Z", "dateUpdated": "2025-06-25T13:34:07.242Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Cyberduck", "repo": "https://github.com/iterate-ch/cyberduck", "vendor": "iterate GmbH", "versions": [{"lessThanOrEqual": "9.1.6", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "Mountain Duck", "vendor": "iterate GmbH", "versions": [{"lessThanOrEqual": "4.17.5", "status": "affected", "version": "0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Thomas Kostal"}, {"lang": "en", "type": "finder", "value": "Andreas Boll"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<div><div><div>Cyberduck and Mountain Duck improper handle TLS certificate pinning for untrusted certificates (e.g., self-signed), since the certificate fingerprint is stored as SHA-1, although SHA-1 is considered weak.</div></div></div>\n\n<p>This issue affects Cyberduck: through 9.1.6; Mountain Duck: through 4.17.5.</p>"}], "value": "Cyberduck and Mountain Duck improper handle TLS certificate pinning for untrusted certificates (e.g., self-signed), since the certificate fingerprint is stored as SHA-1, although SHA-1 is considered weak.\n\n\n\n\n\n\n\nThis issue affects Cyberduck: through 9.1.6; Mountain Duck: through 4.17.5."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-328", "description": "CWE-328: Use of Weak Hash", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "1e3a9e0f-5156-4bf8-b8a3-cc311bfc0f4a", "shortName": "sba-research", "dateUpdated": "2025-06-25T09:16:58.586Z"}, "references": [{"tags": ["third-party-advisory"], "url": "https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20250325-02_Cyberduck_Mountain_Duck_Weak_Hash"}, {"tags": ["vendor-advisory"], "url": "https://github.com/iterate-ch/cyberduck/security/advisories/GHSA-688c-vjrc-84rv"}], "source": {"discovery": "UNKNOWN"}, "title": "Cyberduck and Mountain Duck - Weak Hash Algorithm for Certificate Fingerprint", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"references": [{"url": "https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20250325-02_Cyberduck_Mountain_Duck_Weak_Hash", "tags": ["exploit"]}, {"url": "https://github.com/iterate-ch/cyberduck/security/advisories/GHSA-688c-vjrc-84rv", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-06-25T13:34:04.627890Z", "id": "CVE-2025-41256", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-06-25T13:34:07.242Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-41256", "assignerOrgId": "1e3a9e0f-5156-4bf8-b8a3-cc311bfc0f4a", "state": "PUBLISHED", "assignerShortName": "sba-research", "dateReserved": "2025-04-16T09:37:50.631Z", "datePublished": "2025-06-25T09:16:58.586Z", "dateUpdated": "2025-06-25T13:34:07.242Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Cyberduck", "repo": "https://github.com/iterate-ch/cyberduck", "vendor": "iterate GmbH", "versions": [{"lessThanOrEqual": "9.1.6", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "Mountain Duck", "vendor": "iterate GmbH", "versions": [{"lessThanOrEqual": "4.17.5", "status": "affected", "version": "0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Thomas Kostal"}, {"lang": "en", "type": "finder", "value": "Andreas Boll"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<div><div><div>Cyberduck and Mountain Duck improper handle TLS certificate pinning for untrusted certificates (e.g., self-signed), since the certificate fingerprint is stored as SHA-1, although SHA-1 is considered weak.</div></div></div>\n\n<p>This issue affects Cyberduck: through 9.1.6; Mountain Duck: through 4.17.5.</p>"}], "value": "Cyberduck and Mountain Duck improper handle TLS certificate pinning for untrusted certificates (e.g., self-signed), since the certificate fingerprint is stored as SHA-1, although SHA-1 is considered weak.\n\n\n\n\n\n\n\nThis issue affects Cyberduck: through 9.1.6; Mountain Duck: through 4.17.5."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-328", "description": "CWE-328: Use of Weak Hash", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "1e3a9e0f-5156-4bf8-b8a3-cc311bfc0f4a", "shortName": "sba-research", "dateUpdated": "2025-06-25T09:16:58.586Z"}, "references": [{"tags": ["third-party-advisory"], "url": "https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20250325-02_Cyberduck_Mountain_Duck_Weak_Hash"}, {"tags": ["vendor-advisory"], "url": "https://github.com/iterate-ch/cyberduck/security/advisories/GHSA-688c-vjrc-84rv"}], "source": {"discovery": "UNKNOWN"}, "title": "Cyberduck and Mountain Duck - Weak Hash Algorithm for Certificate Fingerprint", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-41256", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-06-25T13:34:04.627890Z"}}}], "references": [{"url": "https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20250325-02_Cyberduck_Mountain_Duck_Weak_Hash", "tags": ["exploit"]}, {"url": "https://github.com/iterate-ch/cyberduck/security/advisories/GHSA-688c-vjrc-84rv", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-06-25T13:34:00.449Z"}}]}}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Cyberduck and Mountain Duck improper handle TLS certificate pinning for untrusted certificates (e.g., self-signed), since the certificate fingerprint is stored as SHA-1, although SHA-1 is considered weak.\n\n\n\n\n\n\n\nThis issue affects Cyberduck: through 9.1.6; Mountain Duck: through 4.17.5."}, {"lang": "es", "value": "Cyberduck y Mountain Duck gestionan incorrectamente la fijaci\u00f3n de certificados TLS para certificados no confiables (p. ej., autofirmados), ya que la huella digital del certificado se almacena como SHA-1, aunque SHA-1 se considera d\u00e9bil. Este problema afecta a Cyberduck: hasta la versi\u00f3n 9.1.6; Mountain Duck: hasta la versi\u00f3n 4.17.5."}], "id": "CVE-2025-41256", "lastModified": "2026-04-15T00:35:42.020", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.2, "source": "1e3a9e0f-5156-4bf8-b8a3-cc311bfc0f4a", "type": "Secondary"}]}, "published": "2025-06-25T10:15:22.610", "references": [{"source": "1e3a9e0f-5156-4bf8-b8a3-cc311bfc0f4a", "url": "https://github.com/iterate-ch/cyberduck/security/advisories/GHSA-688c-vjrc-84rv"}, {"source": "1e3a9e0f-5156-4bf8-b8a3-cc311bfc0f4a", "url": "https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20250325-02_Cyberduck_Mountain_Duck_Weak_Hash"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/iterate-ch/cyberduck/security/advisories/GHSA-688c-vjrc-84rv"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20250325-02_Cyberduck_Mountain_Duck_Weak_Hash"}], "sourceIdentifier": "1e3a9e0f-5156-4bf8-b8a3-cc311bfc0f4a", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-328"}], "source": "1e3a9e0f-5156-4bf8-b8a3-cc311bfc0f4a", "type": "Secondary"}]}

{}

{}