CVE-2021-27861 Vulnerability Details

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CVE-2021-27861 Metadata Quick Info

CVE Published: 27/09/2022 | CVE Updated: 16/09/2024 | CVE Year: 2021
Source: certcc | Vendor: IEEE | Product: 802.2
Status : PUBLISHED

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CVE-2021-27861 Description

Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length (and optionally VLAN0 headers)

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-130
CWE Name: CWE-130 Improper Handling of Length Parameter
Source: IEEE

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).