CVE-2024-33452

Exp

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.

Published: 2025-04-22 Last update: 2025-11-03 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2024-33452 is rated High Exploit Risk (70.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.69%). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2024-33452

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2024-33452

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-31 1.17% 0.69% -0.48%
2 2026-05-30 1.29% 1.17% -0.12%
3 2026-05-06 — 1.29% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-33452

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.7 3.1 HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
 2.2 5.5 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2024-33452

OS Trackers for CVE-2024-33452

vendor priority summary link
debian not yet assigned CVE-2024-33452 not yet assigned priority: Debian including 2 source packages (libnginx-mod-http-lua, nginx), 9 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 9. https://security-tracker.debian.org/tracker/CVE-2024-33452
redhat high — https://access.redhat.com/security/cve/CVE-2024-33452
ubuntu medium CVE-2024-33452 medium priority: Ubuntu including 3 source packages (lua-nginx-memcached, lua-nginx-redis, lua-nginx-websocket), 27 status rows across 9 suites (bionic, focal, jammy, noble, oracular, plucky, questing, upstream, xenial): needs-triage 18, ignored 6, released 3. https://ubuntu.com/security/CVE-2024-33452

Affected software / configurations for CVE-2024-33452

Vendor Product Version Raw CPE
openresty lua-nginx-module <= 0.10.26 cpe:2.3:a:openresty:lua-nginx-module:*:*:*:*:*:*:*:*

References for CVE-2024-33452

cvelogic Threat Intelligence