CVE-2016-2830

Severity CVSS v4.0:

Pending analysis

Type:

CWE-200 Information Leak / Disclosure

Publication date:

05/08/2016

Last modified:

12/04/2025

Description

Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 preserve the network connection used for favicon resource retrieval after the associated browser window is closed, which makes it easier for remote web servers to track users by observing network traffic from multiple IP addresses.

Impact

Vector 3.x

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

Base Score 3.x

4.30

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:M/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0

4.30

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:mozilla:firefox::::::::		47.0.1 (including)
cpe:2.3:a:mozilla:firefox:45.1.0:::::::*
cpe:2.3:a:mozilla:firefox:45.1.1:::::::*
cpe:2.3:a:mozilla:firefox:45.2.0:::::::*
cpe:2.3:a:mozilla:firefox:45.3.0:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:a:mozilla:firefox::::::::		47.0.1 (including)
cpe:2.3:a:mozilla:firefox:45.1.0:::::::*
cpe:2.3:a:mozilla:firefox:45.1.1:::::::*
cpe:2.3:a:mozilla:firefox:45.2.0:::::::*
cpe:2.3:a:mozilla:firefox:45.3.0:::::::*

CVE-2016-2830

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools