csirt@kutim:~/threat-intel/cve/CVE-2020-3231

Katalog CVE

CVSS 4.7 · Medium EPSS 0,45%

Kerentanan Improper Access Control pada cisco ios. Skor CVSS 3.1 4.7 (Medium) menurut NVD.

Deskripsi (NVD)

A vulnerability in the 802.1X feature of Cisco Catalyst 2960-L Series Switches and Cisco Catalyst CDB-8P Switches could allow an unauthenticated, adjacent attacker to forward broadcast traffic before being authenticated on the port. The vulnerability exists because broadcast traffic that is received on the 802.1X-enabled port is mishandled. An attacker could exploit this vulnerability by sending broadcast traffic on the port before being authenticated. A successful exploit could allow the attacker to send and receive broadcast traffic on the 802.1X-enabled port before authentication.

Rincian

Terbit di NVD
3 Juni 2020
Terakhir diubah
17 Juni 2026
Status NVD
Modified
CVSS 3.1
4.7 (Medium), sumber NVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-284: Improper Access Control
CWE-863: Incorrect Authorization
EPSS (30 hari)
0,45% peluang dieksploitasi; lebih tinggi dari 37,4% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
cisco ios Versi 15.2(5)e2
cisco ios Versi 15.2(5)ex
cisco ios Versi 15.2(5a)e
cisco ios Versi 15.2(5b)e
cisco ios Versi 15.2(5c)e
cisco ios Versi 15.2(6)e
cisco ios Versi 15.2(6)e0c
cisco ios Versi 15.2(6)e1
cisco ios Versi 15.2(6)e1a
cisco ios Versi 15.2(6)e1s
cisco ios Versi 15.2(6)e2
cisco ios Versi 15.2(6)e2b
cisco ios Versi 15.2(6)e3
cisco ios Versi 15.2(6)e4
cisco ios Versi 15.2(7)e
cisco ios Versi 15.2(7)e0a
cisco ios Versi 15.2(7)e0b
cisco ios Versi 15.2(7)e0s
cisco ios Versi 15.2(7a)e0b
cisco ios Versi 15.2(7b)e0b
cisco ios Versi 15.3(3)jaa1
cisco ios Versi 15.3(3)jpj

> 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.