CVE-2020-26895: lightning_network_daemon_project lightning_network_daemon
Vulnerability summary
CVE-2020-26895 is a medium (CVSS 5.3) vulnerability in lightning_network_daemon_project lightning_network_daemon. EPSS estimates a 0.71% chance of exploitation in the next 30 days, higher than 53.4% of scored vulnerabilities.
Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 21-10-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Prior to 0.10.0-beta, LND (Lightning Network Daemon) would have accepted a counterparty high-S signature and broadcast tx-relay invalid local commitment/HTLC transactions. This can be exploited by any peer with an open channel regardless of the victim situation (e.g., routing node, payment-receiver, or payment-sender). The impact is a loss of funds in certain situations.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.71%
Chance of exploitation in the next 30 days
Percentile
53%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.71% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Lightning_network_daemon_project1 product
- lightning_network_daemon0.1:alpha | 0.1.1:alpha | 0.2:alpha | 0.2.1:alpha | 0.3:alpha | 0.4:beta | 0.4.1:beta | 0.4.2:beta | 0.5:beta | 0.5:beta_rc1 | 0.5:beta_rc2 | 0.5.1:beta | 0.5.1:beta_rc1 | 0.5.1:beta_rc2 | 0.5.1:beta_rc3 | 0.5.1:beta_rc4 | 0.5.2:beta | 0.6:beta | 0.6:beta_rc1 | 0.6:beta_rc2 | 0.6:beta_rc3 | 0.6:beta_rc4 | 0.6.1:beta | 0.6.1:beta_rc1 | 0.6.1:beta_rc2 | 0.7.0:beta | 0.7.0:beta_rc1 | 0.7.0:beta_rc2 | 0.7.0:beta_rc3 | 0.7.1:beta | 0.7.1:beta_rc1 | 0.7.1:beta_rc2 | 0.8.0:beta | 0.8.0:beta_rc1 | 0.8.0:beta_rc2 | 0.8.0:beta_rc3 | 0.8.1:beta | 0.8.2:beta | 0.8.2:beta_rc1 | 0.8.2:beta_rc2 | 0.9.0:beta | 0.9.0:beta_rc1 | 0.9.0:beta_rc2 | 0.9.0:beta_rc3 | 0.9.0:beta_rc4 | 0.9.1:beta | 0.9.1:beta_rc1 | 0.9.2:beta | 0.10.0:beta_rc1 | 0.10.0:beta_rc2 | 0.10.0:beta_rc3 | 0.10.0:beta_rc4 | 0.10.0:beta_rc5 | 0.10.0:beta_rc6
1 vendor · 1 product
References
3 links- lists.linuxfoundation.org/pipermail/lightning-dev/2020-October/002856.htmlX Refsource MISCMailing ListThird Party Advisory
- lists.linuxfoundation.org/pipermail/lightning-dev/2020-October/002858.htmlX Refsource MISCMailing ListThird Party Advisory