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Case File

CVE-2021-38195

CRITICAL · CVSS 9.8 EPSS 0.94%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-08 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. See the original NVD description below for full technical details.

CVE
CVE-2021-38195
Severity
CRITICAL
CVSS
9.8
EPSS
0.94%

Original NVD Description

An issue was discovered in the libsecp256k1 crate before 0.5.0 for Rust. It can verify an invalid signature because it allows the R or S parameter to be larger than the curve order, aka an overflow.

Related CVEs

Other vulnerabilities affecting the same vendor(s)