CVE-2021-41593

high

Description

Lightning Labs lnd before 0.13.3-beta allows loss of funds because of dust HTLC exposure.

References

Advisories
More

https://github.com/lightningnetwork/lnd/releases/tag/v0.13.3-beta

https://github.com/lightningnetwork/lnd/blob/master/docs/release-notes/release-notes-0.13.3.md

https://bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixing

https://github.com/ekzyis/lightning-vulns

https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003264.html

https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html

https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html

https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-28607

Details

Source: Mitre, NVD

Published: 2021-10-04

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 8.6

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L

Severity: High

EPSS

EPSS: 0.01932