CVE-2022-45440 Vulnerability Details

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CVE-2022-45440 Metadata Quick Info

CVE Published: 17/01/2023 | CVE Updated: 03/08/2024 | CVE Year: 2022
Source: Zyxel | Vendor: Zyxel | Product: AX7501-B0 firmware
Status : PUBLISHED

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CVE-2022-45440 Description

A vulnerability exists in the FTP server of the Zyxel AX7501-B0 firmware prior to V5.17(ABPC.3)C0, which processes symbolic links on external storage media. A local authenticated attacker with administrator privileges could abuse this vulnerability to access the root file system by creating a symbolic link on external storage media, such as a USB flash drive, and then logging into the FTP server on a vulnerable device.

Metrics

CVSS Version: 3.1 | Base Score: 4.4 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

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

l➤ Impact Metrics:
    Confidentiality Impact (C)* HIGH
    Integrity Impact (I)* NONE
    Availability Impact (A)* NONE

Weakness Enumeration (CWE)

CWE-ID: CWE-552
CWE Name: CWE-552: Files or Directories Accessible to External Parties
Source: Zyxel

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).