CVE-2021-43399

Katalog CVE

CVSS 7.5 · High EPSS 1,4%

Kerentanan Out-of-bounds Write pada yubico yubihsm 2 software development kit. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

The Yubico YubiHSM YubiHSM2 library 2021.08, included in the yubihsm-shell project, does not properly validate the length of some operations including SSH signing requests, and some data operations received from a YubiHSM 2 device.

Rincian

Terbit di NVD

8 Desember 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-787: Out-of-bounds Write

EPSS (30 hari)

1,4% peluang dieksploitasi; lebih tinggi dari 72,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.yubico.com/support/security-advisories/ysa-2021-04/ advisory vendor
• https://blog.inhq.net/posts/yubico-yubihsm-shell-vuln3/ exploit · advisory pihak ketiga