CVE-2021-42785 Vulnerability Details

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CVE-2021-42785 Metadata Quick Info

CVE Published: 23/11/2021 | CVE Updated: 04/08/2024 | CVE Year: 2021
Source: GovTech CSG | Vendor: GlavSoft LLC | Product: TightVNC Viewer
Status : PUBLISHED

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CVE-2021-42785 Description

Buffer Overflow vulnerability in tvnviewer.exe of TightVNC Viewer allows a remote attacker to execute arbitrary instructions via a crafted FramebufferUpdate packet from a VNC server.

Metrics

CVSS Version: 3.1 | Base Score: n/a
Vector: n/a

l➤ Exploitability Metrics:
    Attack Vector (AV)*
    Attack Complexity (AC)*
    Privileges Required (PR)*
    User Interaction (UI)*
    Scope (S)*

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

Weakness Enumeration (CWE)

CWE-ID: CWE-120
CWE Name: CWE-120 Buffer Overflow
Source: GlavSoft LLC

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).