CVE-2024-23722

HIGH

Fluent Bit 2.1.8-2.2.1 - Denial of Service via Invalid HTTP Payload

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2024-23722. PoCs published by alexcote1.

AI-analyzed exploit summary This repository contains a functional proof-of-concept exploit for CVE-2024-23722, a DoS vulnerability in Fluent Bit versions 2.1.8 through 2.2.1. The exploit sends repeated HTTP POST requests with minimal data to trigger a crash in the target server.

Description

In Fluent Bit 2.1.8 through 2.2.1, a NULL pointer dereference can be caused via an invalid HTTP payload with the content type of x-www-form-urlencoded. It crashes and does not restart. This could result in logs not being delivered properly.

Exploits (1)

nomisec WORKING POC 2 stars
by alexcote1 · poc
https://github.com/alexcote1/CVE-2024-23722-poc

This repository contains a functional proof-of-concept exploit for CVE-2024-23722, a DoS vulnerability in Fluent Bit versions 2.1.8 through 2.2.1. The exploit sends repeated HTTP POST requests with minimal data to trigger a crash in the target server.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Fluent Bit versions 2.1.8 through 2.2.1
No auth needed
Prerequisites: Network access to the target Fluent Bit server
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 7.5
EPSS 0.0094
EPSS Percentile 56.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (1)
treasuredata/fluent_bit 2.1.8 - 2.2.2
Published Mar 26, 2024
Tracked Since Feb 18, 2026