CVE-2020-3134: cisco email security appliance

csirt@kutim:~/threat-intel/cve/CVE-2020-3134

CVSS 6.5 · Medium EPSS 1,1%

Kerentanan Improper Input Validation pada cisco email security appliance. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

A vulnerability in the zip decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper validation of zip files. An attacker could exploit this vulnerability by sending an email message with a crafted zip-compressed attachment. A successful exploit could trigger a restart of the content-scanning process, causing a temporary DoS condition. This vulnerability affects Cisco AsyncOS Software for Cisco ESA releases earlier than 13.0.

Rincian

Terbit di NVD: 26 Januari 2020
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 6.5 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-20: Improper Input Validation
EPSS (30 hari): 1,1% peluang dieksploitasi; lebih tinggi dari 64,4% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
cisco	email security appliance	Semua versi sebelum 13.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-dos-87mBkc8n 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.