CVE-2021-1423

cisco aironet access point software, cisco catalyst 9800 firmware, cisco wireless lan controller software

TLP:CLEAR

csirt@kutim:~/threat-intel/cve/CVE-2021-1423

Katalog CVE

CVSS 4.4 · Medium EPSS 0,24%

Kerentanan Exposure of Resource to Wrong Sphere pada cisco aironet access point software, cisco catalyst 9800 firmware +1 lainnya. Skor CVSS 3.1 4.4 (Medium) menurut NVD.

Deskripsi (NVD)

A vulnerability in the implementation of a CLI command in Cisco Aironet Access Points (AP) could allow an authenticated, local attacker to overwrite files in the flash memory of the device. This vulnerability is due to insufficient input validation for a specific command. An attacker could exploit this vulnerability by issuing a command with crafted arguments. A successful exploit could allow the attacker to overwrite or create files with data that is already present in other files that are hosted on the affected device.

Rincian

Terbit di NVD
24 Maret 2021
Terakhir diubah
17 Juni 2026
Status NVD
Modified
CVSS 3.1
4.4 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-668: Exposure of Resource to Wrong Sphere
EPSS (30 hari)
0,24% peluang dieksploitasi; lebih tinggi dari 13,7% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
cisco aironet access point software Semua versi
cisco catalyst 9800 firmware Semua versi sebelum 16.12.5
cisco catalyst 9800 firmware Versi 17.1 hingga 17.2
cisco wireless lan controller software Semua versi sebelum 8.5.171.0
cisco wireless lan controller software Versi 8.6 hingga sebelum 8.10.130.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

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.