Resource exhaustion in Elementsproject C-lightning
CVE-2021-41592
Blockstream c-lightning through 0.10.1 allows loss of funds because of dust HTLC exposure.
EPSS: 0.015 (71.0th percentile) — read the EPSS interpretation.
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.
Affected products
- Elementsproject C-lightning
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Mailing List, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Press/Media Coverage)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Mailing List, x_refsource_MISC, Mitigation, Vendor Advisory)
- cve@mitre.org (Mailing List, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-41592?
- CVE-2021-41592 is a critical-severity vulnerability in Elementsproject C-lightning, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 9.4/10. Published 2021-10-04.
- How severe is CVE-2021-41592?
- Critical severity. CVSS v3 base score is 9.4 out of 10.
- Is CVE-2021-41592 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.