Http Server
CVE-2015-3183
MEDIUM
Severity by source
AV:N/AC:L/Au:N/C:N/I:P/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
AV:N/AC:L/Au:N/C:N/I:P/A:N
Lifecycle Timeline
1DescriptionCVE.org
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.
AnalysisAI
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. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 28.3%.
Technical ContextAI
This vulnerability is classified under CWE-17. 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. Affected products include: Apache Http Server. Version information: before 2.4.14.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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External POC / Exploit Code
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