CVE-2021-27854 Vulnerability Details

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CVE-2021-27854 Metadata Quick Info

CVE Published: 27/09/2022 | CVE Updated: 17/09/2024 | CVE Year: 2021
Source: certcc | Vendor: IETF | Product: P802.1Q
Status : PUBLISHED

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CVE-2021-27854 Description

Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using combinations of VLAN 0 headers, LLC/SNAP headers, and converting frames from Ethernet to Wifi and its reverse.

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-290
CWE Name: CWE-290: Authentication Bypass by Spoofing
Source: IETF

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description: