CVE-2021-33541

Katalog CVE

CVSS 7.5 · High EPSS 1,5%

Kerentanan Allocation of Resources Without Limits or Throttling pada phoenixcontact ilc1x0 firmware, phoenixcontact ilc1x1 firmware. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

Phoenix Contact Classic Line Controllers ILC1x0 and ILC1x1 in all versions/variants are affected by a Denial-of-Service vulnerability. The communication protocols and device access do not feature authentication measures. Remote attackers can use specially crafted IP packets to cause a denial of service on the PLC's network communication module. A successful attack stops all network communication. To restore the network connectivity the device needs to be restarted. The automation task is not affected.

Rincian

Terbit di NVD

25 Juni 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-770: Allocation of Resources Without Limits or Throttling

EPSS (30 hari)

1,5% peluang dieksploitasi; lebih tinggi dari 73,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://cert.vde.com/en-us/advisories/vde-2021-019 advisory pihak ketiga