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CVE-2024-33452

23
FAUCET Score

CVE-2024-33452 describes an HTTP request smuggling vulnerability in OpenResty lua-nginx-module versions 0.10.26 and earlier, allowing remote attackers to manipulate server responses through crafted HEAD requests. With a CVSS score of 7.7 (HIGH), this vulnerability has a network attack vector, high attack complexity, and can lead to high confidentiality and integrity impacts, alongside low availability impact. While the EPSS score is low and there is no evidence of active exploitation, public exploit code, or significant community discussion, the FAUCET Risk Score of 75/100 indicates a notable potential risk.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.10.26CPE matchmatch criteria
cpe:2.3:a:openresty:lua-nginx-module:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.7HIGH

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 Impact
HIGH
Integrity Impact
HIGH
Availability Impact
LOW
Exploitability Score
2.2
Impact Score
5.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.78%
Probability of exploitation in next 30 days
EPSS Percentile
52.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0077 is in the 20th percentile among its peer group of 8,918 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

redhatno patchvia redhat_api
Product: Red Hat 3scale API Management Platform 2Fixed in: 3scale-amp-apicast-gateway-container

Vendor Advisories (1)

redhatCVE-2024-33452Important

lua-nginx-module: HTTP request smuggling via a crafted HEAD request

Apr 22, 2025

References

lists.debian.org / debian-lts-announce/2025/06/msg00026.html
portswigger.net / research/http-desync-attacks-request-smuggling-reborn
ExploitThird Party Advisory
benasin.space / 2025/03/18/OpenResty-lua-nginx-module-v0-10-26-HTTP-Request-Smuggling-in-HEAD-requests
ExploitThird Party Advisory