csirt@kutim:~/threat-intel/cve/CVE-2021-40116

Katalog CVE

CVSS 7.5 · High EPSS 1,4%

Kerentanan Improper Handling of Unexpected Data Type pada cisco secure firewall management center, cisco secure firewall threat defense +1 lainnya. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

Multiple Cisco products are affected by a vulnerability in Snort rules that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.The vulnerability is due to improper handling of the Block with Reset or Interactive Block with Reset actions if a rule is configured without proper constraints. An attacker could exploit this vulnerability by sending a crafted IP packet to the affected device. A successful exploit could allow the attacker to cause through traffic to be dropped. Note: Only products with Snort3 configured and either a rule with Block with Reset or Interactive Block with Reset actions configured are vulnerable. Products configured with Snort2 are not vulnerable.

Rincian

Terbit di NVD
27 Oktober 2021
Terakhir diubah
11 Agustus 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-241: Improper Handling of Unexpected Data Type
EPSS (30 hari)
1,4% peluang dieksploitasi; lebih tinggi dari 71,6% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
cisco secure firewall management center Versi 3.1.0.1
cisco secure firewall threat defense Versi 6.4.0 hingga sebelum 6.4.0.13
cisco secure firewall threat defense Versi 6.6.0 hingga sebelum 6.6.5.1
cisco secure firewall threat defense Versi 6.7.0 hingga sebelum 6.7.0.3
cisco secure firewall threat defense Versi 7.0.0 hingga sebelum 7.0.1
cisco snort Versi 3.0.0.0 hingga sebelum 3.1.0.100

> 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.