CVE-2021-21864

Katalog CVE

CVSS 7.8 · High EPSS 1,7%

Kerentanan Deserialization of Untrusted Data pada codesys development system. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

A unsafe deserialization vulnerability exists in the ComponentModel ComponentManager.StartupCultureSettings functionality of CODESYS GmbH CODESYS Development System 3.5.16 and 3.5.17. A specially crafted file can lead to arbitrary command execution. An attacker can provide a malicious file to trigger this vulnerability.

Rincian

Terbit di NVD

2 Agustus 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-502: Deserialization of Untrusted Data

EPSS (30 hari)

1,7% peluang dieksploitasi; lebih tinggi dari 76,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16805&token=ee583c498941d9fda86490bca98ff21928eec08... mitigasi · patch · advisory vendor
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1301 exploit · advisory pihak ketiga