CVE-2021-41593

Public Exploit

Description

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

Category

8.6
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.78% Top 30%
Vendor Advisory linuxfoundation.org Vendor Advisory linuxfoundation.org Vendor Advisory linuxfoundation.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html mailing list vendor advisory
https://bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixing press/media coverage third party advisory
https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html mailing list vendor advisory
https://github.com/lightningnetwork/lnd/releases/tag/v0.13.3-beta third party advisory
https://github.com/lightningnetwork/lnd/blob/master/docs/release-notes/release-notes-0.13.3.md third party advisory release notes
https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003264.html mailing list exploit vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-41593?
CVE-2021-41593 has been scored as a high severity vulnerability.
How to fix CVE-2021-41593?
To fix CVE-2021-41593, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-41593 being actively exploited in the wild?
It is possible that CVE-2021-41593 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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