CVE-2021-41592

View on CVE.org

Published Oct 4, 2021 CVSS 3.1 · 9.4 Critical EPSS 1.5% KEV · Not listed

Description

Blockstream c-lightning through 0.10.1 allows loss of funds because of dust HTLC exposure.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:elementsproject:c-lightning:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-28606	Blockstream c-lightning through 0.10.1 allows loss of funds because of dust HTLC exposure.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.5% (1.546% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
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

History

No history.

Subscriptions

Elementsproject C-lightning

Weaknesses

CWE-770

Sources

CVE record Updated: Aug 4, 2024, 3:15 AM

Status: PUBLISHED
Assigner: mitre
Published: Oct 4, 2021, 4:58 PM
Updated: Aug 4, 2024, 3:15 AM
Reserved: Sep 24, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:08 AM

Status: Modified
Published: Oct 4, 2021, 5:15 PM
Modified: Jun 17, 2026, 4:08 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Blockstream c-lightning through 0.10.1 allows loss of funds because of dust HTLC exposure."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-10-04T21:03:41.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html"}, {"tags": ["x_refsource_MISC"], "url": "https://bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixing"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/ElementsProject/lightning"}, {"tags": ["x_refsource_MISC"], "url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html"}, {"tags": ["x_refsource_MISC"], "url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003264.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-41592", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Blockstream c-lightning through 0.10.1 allows loss of funds because of dust HTLC exposure."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html", "refsource": "MISC", "url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html"}, {"name": "https://bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixing", "refsource": "MISC", "url": "https://bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixing"}, {"name": "https://github.com/ElementsProject/lightning", "refsource": "MISC", "url": "https://github.com/ElementsProject/lightning"}, {"name": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html", "refsource": "MISC", "url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html"}, {"name": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003264.html", "refsource": "MISC", "url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003264.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T03:15:28.953Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixing"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/ElementsProject/lightning"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003264.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-41592", "datePublished": "2021-10-04T16:58:55.000Z", "dateReserved": "2021-09-24T00:00:00.000Z", "dateUpdated": "2024-08-04T03:15:28.953Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:elementsproject:c-lightning:*:*:*:*:*:*:*:*", "matchCriteriaId": "2049F4EE-9664-49C6-8845-3C01AF7B5320", "versionEndIncluding": "0.10.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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 p\u00e9rdida de fondos debido a una exposici\u00f3n al polvo HTLC"}], "id": "CVE-2021-41592", "lastModified": "2026-06-17T04:08:42.120", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.4, "baseSeverity": "CRITICAL", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.5, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-04T17:15:08.677", "references": [{"source": "cve@mitre.org", "tags": ["Press/Media Coverage", "Third Party Advisory"], "url": "https://bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixing"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/ElementsProject/lightning"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Mitigation", "Vendor Advisory"], "url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003264.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Press/Media Coverage", "Third Party Advisory"], "url": "https://bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixing"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/ElementsProject/lightning"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Mitigation", "Vendor Advisory"], "url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003264.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "nvd@nist.gov", "type": "Primary"}]}