CVE-2021-33012

Katalog CVE

CVSS 8.6 · High EPSS 2,6%

Kerentanan Improper Input Validation pada rockwellautomation micrologix 1100 firmware. Skor CVSS 3.1 8.6 (High) menurut NVD.

Deskripsi (NVD)

Rockwell Automation MicroLogix 1100, all versions, allows a remote, unauthenticated attacker sending specially crafted commands to cause the PLC to fault when the controller is switched to RUN mode, which results in a denial-of-service condition. If successfully exploited, this vulnerability will cause the controller to fault whenever the controller is switched to RUN mode.

Rincian

Terbit di NVD

9 Juli 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-20: Improper Input Validation

EPSS (30 hari)

2,6% peluang dieksploitasi; lebih tinggi dari 85,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://us-cert.cisa.gov/ics/advisories/icsa-21-189-01 advisory pihak ketiga · pemerintah AS