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vuln-cve/data/2025/41xxx/CVE-2025-41256.json
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{
"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"
}
}
]
}
}