CVE-2020-3423

Katalog CVE

CVSS 6.7 · Medium EPSS 0,39%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada cisco ios xe. Skor CVSS 3.1 6.7 (Medium) menurut NVD.

Deskripsi (NVD)

A vulnerability in the implementation of the Lua interpreter that is integrated in Cisco IOS XE Software could allow an authenticated, local attacker to execute arbitrary code with root privileges on the underlying Linux operating system (OS) of an affected device. The vulnerability is due to insufficient restrictions on Lua function calls within the context of user-supplied Lua scripts. An attacker with valid administrative credentials could exploit this vulnerability by submitting a malicious Lua script. When this file is processed, an exploitable buffer overflow condition could occur. A successful exploit could allow the attacker to execute arbitrary code with root privileges on the underlying Linux OS of the affected device.

Rincian

Terbit di NVD

24 September 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

6.7 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

EPSS (30 hari)

0,39% peluang dieksploitasi; lebih tinggi dari 30,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-lua-rce-7VeJX4f advisory vendor