CVE-2020-26895 describes a vulnerability in LND (Lightning Network Daemon) versions prior to 0.10.0-beta, where the software would accept invalid high-S signatures, leading to the broadcast of invalid local commitment/HTLC transactions. This flaw allows any peer with an open channel to exploit the vulnerability, potentially resulting in a loss of funds for the victim. The CVSS score of 5.3 (Medium) indicates a network-based attack with low complexity and a low impact on integrity, requiring no user interaction. While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has garnered some community discussion and media coverage, suggesting awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
0.1CPE matchmatch criteria | cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.1:alpha:*:*:*:*:*:* | ||
0.1.1CPE matchmatch criteria | cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.1.1:alpha:*:*:*:*:*:* | ||
0.2CPE matchmatch criteria | cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.2:alpha:*:*:*:*:*:* | ||
0.2.1CPE matchmatch criteria | cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.2.1:alpha:*:*:*:*:*:* | ||
0.3CPE matchmatch criteria | cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.3:alpha:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.