CVE-2021-4039 Vulnerability Details

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CVE-2021-4039 Metadata Quick Info

CVE Published: 01/03/2022 | CVE Updated: 03/08/2024 | CVE Year: 2021
Source: Zyxel | Vendor: Zyxel | Product: NWA1100-NH firmware
Status : PUBLISHED

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CVE-2021-4039 Description

A command injection vulnerability in the web interface of the Zyxel NWA-1100-NH firmware could allow an attacker to execute arbitrary OS commands on the device.

Metrics

CVSS Version: 3.1 | Base Score: 9.8 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

l➤ Exploitability Metrics:
    Attack Vector (AV)* NETWORK
    Attack Complexity (AC)* LOW
    Privileges Required (PR)* NONE
    User Interaction (UI)* NONE
    Scope (S)* UNCHANGED

l➤ Impact Metrics:
    Confidentiality Impact (C)* HIGH
    Integrity Impact (I)* HIGH
    Availability Impact (A)* HIGH

Weakness Enumeration (CWE)

CWE-ID: CWE-78
CWE Name: CWE-78: Improper Neutralization of Special Elements used in an OS Command ( OS Command Injection )
Source: Zyxel

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).