CVE-2021-34713: cisco ios xr

csirt@kutim:~/threat-intel/cve/CVE-2021-34713

CVSS 7.4 · High EPSS 0,36%

Kerentanan Resource Management Errors pada cisco ios xr. Skor CVSS 3.1 7.4 (High) menurut NVD.

Deskripsi (NVD)

A vulnerability in the Layer 2 punt code of Cisco IOS XR Software running on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to cause the affected line card to reboot. This vulnerability is due to incorrect handling of specific Ethernet frames that cause a spin loop that can make the network processors unresponsive. An attacker could exploit this vulnerability by sending specific types of Ethernet frames on the segment where the affected line cards are attached. A successful exploit could allow the attacker to cause the affected line card to reboot.

Rincian

Terbit di NVD: 9 September 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 7.4 (High), sumber NVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-399: Resource Management Errors
EPSS (30 hari): 0,36% peluang dieksploitasi; lebih tinggi dari 27,9% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
cisco	ios xr	Versi 6.4 hingga sebelum 6.6.3
cisco	ios xr	Versi 6.7 hingga sebelum 6.7.1
cisco	ios xr	Versi 7.0 hingga sebelum 7.0.2
cisco	ios xr	Versi 7.1 hingga sebelum 7.1.1

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-npspin-QYpwdhFD advisory vendor

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.