CVE-2024-23722

highpriority · track · 10EPSS 0.009 · 61 %ileexploit · PoCDEEUNLRUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.94% (61st) EPSS

CVSS 7.5 · high

Is it mine?

7 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 3.9 · impact 3.6

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Psecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-476USCWE-476USCWE-476US

exploits (1)

Public proof-of-concept and weaponised exploit code.

alexcote1/CVE-2024-23722-pocalexcote1/CVE-2024-23722-pocPoC · poc_in_github

affected products (7)

Products and version ranges known to be affected.

Open Source Fluent Bit <2.2.2all versionscert_bundDE
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Open Source Fluent Bit< 2.2.2cert_bundDE
n/a n/a≤ n/aenisa_euvdEU
Treasure Data, Inc. Fluent Bit2.1.8 → 2.2.2fstec_bduRU
treasuredata fluent bit2.1.8 → 2.2.2nvdUScpe:2.3:a:treasuredata:fluent_bit:*:*:*:*:*:*:*:*
Bitnami fluent-bit2.1.8 → 2.2.2osvUSpkg:bitnami/fluent-bit

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2024-0339Kwetsbaarheden verholpen in Microsoft MarinerNL2024-08-13csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in Mariner (Azure Linux).
WID-SEC-W-2024-0715Fluent Bit: Schwachstelle ermöglicht Denial of ServiceDeutsch2024-03-26csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Fluent Bit ausnutzen, um einen Denial of Service Angriff durchzuführen.
BIT-fluent-bit-2024-237222024-05-29vendor · osvUS
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.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd osv ncsc_nl NVD CVE.org MITRE

published 2024-03-26modified 2026-06-17

references (8)

External citations — patches, advisories, analysis.

scry

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