CVE-2024-33452

HIGH
2025-04-22 [email protected]
7.7
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
Low

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 18:38 vuln.today
PoC Detected
Nov 03, 2025 - 20:16 vuln.today
Public exploit code
CVE Published
Apr 22, 2025 - 16:15 nvd
HIGH 7.7

Tags

Nginx Request Smuggling Information Disclosure Lua Nginx Module Redhat

Description

An issue in OpenResty lua-nginx-module v.0.10.26 and before allows a remote attacker to conduct HTTP request smuggling via a crafted HEAD request.

Analysis

An issue in OpenResty lua-nginx-module v.0.10.26 and before allows a remote attacker to conduct HTTP request smuggling via a crafted HEAD request. Rated high severity (CVSS 7.7), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.

Technical Context

This vulnerability is classified as HTTP Request/Response Smuggling (CWE-444), which allows attackers to manipulate HTTP request interpretation between frontend and backend servers. An issue in OpenResty lua-nginx-module v.0.10.26 and before allows a remote attacker to conduct HTTP request smuggling via a crafted HEAD request. Affected products include: Openresty Lua-Nginx-Module.

Affected Products

Openresty Lua-Nginx-Module.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Enforce strict HTTP parsing, normalize requests at proxy layer, use HTTP/2 end-to-end, reject ambiguous headers.

Priority Score

59
Low Medium High Critical
KEV: 0
EPSS: +0.7
CVSS: +38
POC: +20

Vendor Status

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CVE-2024-33452 vulnerability details – vuln.today
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