Resource exhaustion in Acinq Eclair
CVE-2021-41591
ACINQ Eclair before 0.6.3 allows loss of funds because of dust HTLC exposure.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.4 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
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… (Press/Media Coverage)
- lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html (Exploit, Vendor Advisory)
- github.com/ACINQ/eclair/pull/1985 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-41591?
- CVE-2021-41591 is a critical-severity vulnerability in Acinq Eclair, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 9.4/10. Published 2021-10-04.
- How severe is CVE-2021-41591?
- Critical severity. CVSS v3 base score is 9.4 out of 10.
- Is CVE-2021-41591 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.