CVE-2021-38311

Katalog CVE

CVSS 7.5 · High EPSS 0,94%

Kerentanan Loop with Unreachable Exit Condition ('Infinite Loop') pada contiki-os contiki. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

In Contiki 3.0, potential nonterminating acknowledgment loops exist in the Telnet service. When the negotiated options are already disabled, servers still respond to DONT and WONT requests with WONT or DONT commands, which may lead to infinite acknowledgment loops, denial of service, and excessive CPU consumption.

Rincian

Terbit di NVD

9 Agustus 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-835: Loop with Unreachable Exit Condition ('Infinite Loop')

EPSS (30 hari)

0,94% peluang dieksploitasi; lebih tinggi dari 59,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/contiki-os/contiki/issues/2685 exploit · issue tracking · patch · advisory pihak ketiga