csirt@kutim:~/threat-intel/cve/CVE-2021-1236

Katalog CVE

CVSS 5.3 · Medium EPSS 2,2%

Kerentanan Always-Incorrect Control Flow Implementation pada cisco ios xe, cisco secure firewall management center +2 lainnya. Skor CVSS 3.1 5.3 (Medium) menurut NVD.

Deskripsi (NVD)

Multiple Cisco products are affected by a vulnerability in the Snort application detection engine that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. The vulnerability is due to a flaw in the detection algorithm. An attacker could exploit this vulnerability by sending crafted packets that would flow through an affected system. A successful exploit could allow the attacker to bypass the configured policies and deliver a malicious payload to the protected network.

Rincian

Terbit di NVD
13 Januari 2021
Terakhir diubah
11 Agustus 2026
Status NVD
Modified
CVSS 3.1
5.3 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-670: Always-Incorrect Control Flow Implementation
EPSS (30 hari)
2,2% peluang dieksploitasi; lebih tinggi dari 81,9% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
cisco ios xe Semua versi sebelum 17.4.1
cisco secure firewall management center Versi 2.9.14.0
cisco secure firewall management center Versi 2.9.14.14
cisco secure firewall management center Versi 2.9.15
cisco secure firewall management center Versi 2.9.16
cisco secure firewall management center Versi 2.9.17
cisco secure firewall threat defense Semua versi sebelum 6.5.0.5
snort snort Semua versi sebelum 2.9.14

> 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.