Vulnerability · Published Apr 22, 2025 · Assigned by mitre
CVE-2024-33452
High 7.7
In plain English
A high-severity security flaw in the libnginx-mod-http-lua package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 58% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.7High
Exploit odds (30 days)0.9%top 41.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libnginx-mod-http-lua | 1:0.10.23-1+deb12u1 | DEBIAN-CVE-2024-33452 |
| Debian:13 | libnginx-mod-http-lua | 1:0.10.27-1 | DEBIAN-CVE-2024-33452 |
| Debian:14 | libnginx-mod-http-lua | 1:0.10.27-1 | DEBIAN-CVE-2024-33452 |
| Debian:12 | nginx | 1.22.0-3 | DEBIAN-CVE-2024-33452 |
| Debian:13 | nginx | 1.22.0-3 | DEBIAN-CVE-2024-33452 |
| Debian:14 | nginx | 1.22.0-3 | DEBIAN-CVE-2024-33452 |
| Ubuntu:22.04:LTS | lua-nginx-memcached | no fix listed | UBUNTU-CVE-2024-33452 |
| Ubuntu:24.04:LTS | lua-nginx-memcached | no fix listed | UBUNTU-CVE-2024-33452 |
| Ubuntu:25.10 | lua-nginx-memcached | no fix listed | UBUNTU-CVE-2024-33452 |
| Ubuntu:26.04:LTS | lua-nginx-memcached | no fix listed | UBUNTU-CVE-2024-33452 |
| Ubuntu:26.10 | lua-nginx-memcached | no fix listed | UBUNTU-CVE-2024-33452 |
| Ubuntu:22.04:LTS | lua-nginx-redis | no fix listed | UBUNTU-CVE-2024-33452 |
| Ubuntu:24.04:LTS | lua-nginx-redis | no fix listed | UBUNTU-CVE-2024-33452 |
| Ubuntu:25.10 | lua-nginx-redis | no fix listed | UBUNTU-CVE-2024-33452 |
| Ubuntu:26.04:LTS | lua-nginx-redis | no fix listed | UBUNTU-CVE-2024-33452 |
| Ubuntu:26.10 | lua-nginx-redis | no fix listed | UBUNTU-CVE-2024-33452 |
| Ubuntu:22.04:LTS | lua-nginx-websocket | no fix listed | UBUNTU-CVE-2024-33452 |
| Ubuntu:24.04:LTS | lua-nginx-websocket | no fix listed | UBUNTU-CVE-2024-33452 |
| Ubuntu:25.10 | lua-nginx-websocket | no fix listed | UBUNTU-CVE-2024-33452 |
| Ubuntu:26.04:LTS | lua-nginx-websocket | no fix listed | UBUNTU-CVE-2024-33452 |
| Ubuntu:26.10 | lua-nginx-websocket | no fix listed | UBUNTU-CVE-2024-33452 |
Affected products (as reported)
Weakness: CWE-444 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L