CVE-2015-3183

Severity CVSS v4.0:

Pending analysis

Type:

CWE-17 Code Errors

Publication date:

20/07/2015

Last modified:

12/04/2025

Description

The chunked transfer coding implementation in the Apache HTTP Server before 2.4.14 does not properly parse chunk headers, which allows remote attackers to conduct HTTP request smuggling attacks via a crafted request, related to mishandling of large chunk-size values and invalid chunk-extension characters in modules/http/http_filters.c.

Impact

Vector 2.0

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

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

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

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:apache:http_server::::::::	2.2.0 (including)	2.2.31 (excluding)
cpe:2.3:a:apache:http_server::::::::	2.4.0 (including)	2.4.16 (excluding)

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

CVE-2015-3183

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools