CVE-2021-43570 describes a critical vulnerability in the Stark Bank Java ECDSA library (ecdsa-java) version 1.0.0, where the verify function fails to validate non-zero signatures, enabling attackers to forge signatures on arbitrary messages. This flaw carries a CVSS score of 9.8 (CRITICAL) due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0.0CPE matchmatch criteria | cpe:2.3:a:starkbank:ecdsa-java:1.0.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.