CVE-2020-3557: cisco secure firewall management center

csirt@kutim:~/threat-intel/cve/CVE-2020-3557

CVSS 5.3 · Medium EPSS 0,73%

Kerentanan Improper Certificate Validation pada cisco secure firewall management center. Skor CVSS 3.1 5.3 (Medium) menurut NVD.

Deskripsi (NVD)

A vulnerability in the host input API daemon of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper certificate validation. An attacker could exploit this vulnerability by sending a crafted data stream to the host input daemon of the affected device. A successful exploit could allow the attacker to cause the host input daemon to restart. The attacker could use repeated attacks to cause the daemon to continuously reload, creating a DoS condition for the API.

Rincian

Terbit di NVD: 21 Oktober 2020
Terakhir diubah: 17 Juni 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:N/A:L · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-295: Improper Certificate Validation
EPSS (30 hari): 0,73% peluang dieksploitasi; lebih tinggi dari 53,0% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
cisco	secure firewall management center	Semua versi sebelum 6.6.1

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-dos-3WymYWKh 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.