CVE-2021-42757 Vulnerability Details

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CVE-2021-42757 Metadata Quick Info

CVE Published: 08/12/2021 | CVE Updated: 04/08/2024 | CVE Year: 2021
Source: fortinet | Vendor: Fortinet | Product: Fortinet FortiOS
Status : PUBLISHED

CVE-2021-42757 Description

A buffer overflow [CWE-121] in the TFTP client library of FortiOS before 6.4.7 and FortiOS 7.0.0 through 7.0.2, may allow an authenticated local attacker to achieve arbitrary code execution via specially crafted command line arguments.

Metrics

CVSS Version: 3.1 | Base Score: 6.7 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C

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)* HIGH
    Availability Impact (A)* HIGH

Weakness Enumeration (CWE)

CWE-ID:
CWE Name: Execute unauthorized code or commands
Source: Fortinet

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).