Resource exhaustion in Lightning Network Daemon Project
CVE-2021-41593
Lightning Labs lnd before 0.13.3-beta allows loss of funds because of dust HTLC exposure.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L.
EPSS exploit prediction
EPSS: 0.019 (79.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Lightning Network Daemon Project — versions 0.11.0, 0.11.1, 0.12.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html (Mailing List, Vendor Advisory)
- bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightn… (Third Party Advisory, Press/Media Coverage)
- lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html (Mailing List, Vendor Advisory)
- github.com/lightningnetwork/lnd/releases/tag/v0.13.3-beta (Third Party Advisory)
- github.com/lightningnetwork/lnd/blob/master/docs/release-notes/release-notes-0… (Third Party Advisory, Release Notes)
- lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003264.html (Exploit, Mailing List, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-41593?
- CVE-2021-41593 is a high-severity vulnerability in Lightning Network Daemon Project, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 8.6/10. Published 2021-10-04.
- How severe is CVE-2021-41593?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2021-41593 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.