CVE-2021-38195

Katalog CVE

CVSS 9.8 · Critical EPSS 0,94%

Kerentanan Improper Verification of Cryptographic Signature pada parity libsecp256k1. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

8 Agustus 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-347: Improper Verification of Cryptographic Signature

EPSS (30 hari)

0,94% peluang dieksploitasi; lebih tinggi dari 59,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://rustsec.org/advisories/RUSTSEC-2021-0076.html exploit · issue tracking · patch · advisory pihak ketiga
• https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/libsecp256k1/RUSTSEC-2021-0076.md advisory pihak ketiga