CVE-2021-34420

Katalog CVE

CVSS 7.4 · High EPSS 0,41%

Kerentanan Improper Verification of Cryptographic Signature pada zoom client for meetings. Skor CVSS 3.1 7.4 (High) menurut NVD.

Deskripsi (NVD)

The Zoom Client for Meetings for Windows installer before version 5.5.4 does not properly verify the signature of files with .msi, .ps1, and .bat extensions. This could lead to a malicious actor installing malicious software on a customer’s computer.

Rincian

Terbit di NVD

11 November 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-347: Improper Verification of Cryptographic Signature

EPSS (30 hari)

0,41% peluang dieksploitasi; lebih tinggi dari 33,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://explore.zoom.us/en/trust/security/security-bulletin advisory vendor
• https://medium.com/manomano-tech/a-red-team-operation-leveraging-a-zero-day-vulnerability-in-zoom-80f57fb0822e advisory pihak ketiga