CVE-2021-42839 Vulnerability Details

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CVE-2021-42839 Metadata Quick Info

CVE Published: 15/11/2021 | CVE Updated: 17/09/2024 | CVE Year: 2021
Source: twcert | Vendor: Grand Vice info Co. | Product: webopac7
Status : PUBLISHED

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CVE-2021-42839 Description

Grand Vice info Co. webopac7 file upload function fails to filter special characters. While logging in with general user’s permission, remote attackers can upload malicious script and execute arbitrary code to control the system or interrupt services.

Metrics

CVSS Version: 3.1 | Base Score: 8.8 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

l➤ Exploitability Metrics:
    Attack Vector (AV)* NETWORK
    Attack Complexity (AC)* LOW
    Privileges Required (PR)* LOW
    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-434
CWE Name: CWE-434 Unrestricted Upload of File with Dangerous Type
Source: Grand Vice info Co.

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).