CVE-2021-29946 Vulnerability Details

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CVE-2021-29946 Metadata Quick Info

CVE Published: 24/06/2021 | CVE Updated: 03/08/2024 | CVE Year: 2021
Source: mozilla | Vendor: Mozilla | Product: Firefox ESR
Status : PUBLISHED

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CVE-2021-29946 Description

Ports that were written as an integer overflow above the bounds of a 16-bit integer could have bypassed port blocking restrictions when used in the Alt-Svc header. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

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 Name: Port blocking could be bypassed
Source: Mozilla

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).