CVE-2021-41592
Estado: ModificadaCrítica (9.4)—
Blockstream c-lightning through 0.10.1 allows loss of funds because of dust HTLC exposure.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
- Puntuación base: 9.4
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.55%
- Percentil entre todas las CVEs puntuadas: 74
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-770
Referencias
- https://bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixing
- https://github.com/ElementsProject/lightning
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003264.html
- https://bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixing
- https://github.com/ElementsProject/lightning
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003264.html
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{
"id": "CVE-2021-41592",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
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"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
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"version": "3.1",
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"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 5.5,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
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"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2021-10-04T17:15:08.677",
"references": [
{
"url": "https://bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixing",
"tags": [
"Press/Media Coverage",
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],
"source": "cve@mitre.org"
},
{
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"source": "cve@mitre.org"
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{
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{
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},
{
"url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003264.html",
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"source": "cve@mitre.org"
},
{
"url": "https://bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixing",
"tags": [
"Press/Media Coverage",
"Third Party Advisory"
],
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},
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"url": "https://github.com/ElementsProject/lightning",
"tags": [
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],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html",
"tags": [
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],
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{
"url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html",
"tags": [
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],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003264.html",
"tags": [
"Mailing List",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
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],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-770"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Blockstream c-lightning through 0.10.1 allows loss of funds because of dust HTLC exposure."
},
{
"lang": "es",
"value": "Blockstream c-lightning versiones hasta 0.10.1, permite una pérdida de fondos debido a una exposición al polvo HTLC"
}
],
"lastModified": "2026-06-17T04:08:42.120",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:elementsproject:c-lightning:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2049F4EE-9664-49C6-8845-3C01AF7B5320",
"versionEndIncluding": "0.10.1"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}