{"cve":"CVE-2021-41592","nvd":{"published":"2021-10-04T17:15:08.677","modified":"2026-06-17T04:08:42.120","status":"Modified","description":"Blockstream c-lightning through 0.10.1 allows loss of funds because of dust HTLC exposure.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","score":9.4},"cwes":["CWE-770"],"references":["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"],"products":["elementsproject:c-lightning"],"source":"nvd","synced_at":"2026-10-19T21:23:41.316049955+00:00"},"epss":{"cve":"CVE-2021-41592","score":0.01546,"percentile":0.75007,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}