CVE-2021-31403

Katalog CVE

CVSS 2.5 · Low EPSS 0,31%

Kerentanan Observable Timing Discrepancy pada vaadin. Skor CVSS 3.1 2.5 (Low) menurut NVD.

Deskripsi (NVD)

Non-constant-time comparison of CSRF tokens in UIDL request handler in com.vaadin:vaadin-server versions 7.0.0 through 7.7.23 (Vaadin 7.0.0 through 7.7.23), and 8.0.0 through 8.12.2 (Vaadin 8.0.0 through 8.12.2) allows attacker to guess a security token via timing attack

Rincian

Terbit di NVD

23 April 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-208: Observable Timing Discrepancy
CWE-203: Observable Discrepancy

EPSS (30 hari)

0,31% peluang dieksploitasi; lebih tinggi dari 21,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://vaadin.com/security/cve-2021-31403 advisory vendor
• https://github.com/vaadin/framework/pull/12188 patch · advisory pihak ketiga
• https://github.com/vaadin/framework/pull/12190 patch · advisory pihak ketiga