CVE-2021-41593

    Dashboard / Vulnerabilities / CVE-2021-41593

    CVE-2021-41593

    Published: 4 Oct 2021Last Modified: 8 Jul 2026

    Summary:

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

    References: https://bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixing, https://github.com/lightningnetwork/lnd/blob/master/docs/release-notes/release-notes-0.13.3.md, https://github.com/lightningnetwork/lnd/releases/tag/v0.13.3-beta, 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

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 3ae46d81f4a2edad06ef778b2940d9b06386d93b
    Fixed -None

    Affected versions

    0.11.0-beta
    0.11.0-beta_rc1
    0.11.0-beta_rc2
    0.11.0-beta_rc3
    0.11.0-beta_rc4
    0.11.1-beta
    0.11.1-beta_rc1
    0.11.1-beta_rc2
    0.11.1-beta_rc3
    0.11.1-beta_rc4
    0.11.1-beta_rc5

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-41593 | CVE-DB