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cve/2021/CVE-2021-43569.md
0xMarcio cb00e1339f Update CVE list 2025-09-29 21:09
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CVE-2021-43569

Description

The verify function in the Stark Bank .NET ECDSA library (ecdsa-dotnet) 1.3.1 fails to check that the signature is non-zero, which allows attackers to forge signatures on arbitrary messages.

POC

Reference

Github

No PoCs found on GitHub currently.