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.

Resource exhaustion in Acinq Eclair

CVE-2021-41591

ACINQ Eclair before 0.6.3 allows loss of funds because of dust HTLC exposure.

EPSS: 0.017 (73.6th 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

Acinq Eclair
N/a — versions n/a

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

Public proof-of-concept exploits

References

cve@mitre.org (Mailing List, x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_MISC, Press/Media Coverage)
cve@mitre.org (Exploit, x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

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.