CVE-2024-4323

FAUCET Score

CVE-2024-4323 is a critical memory corruption vulnerability affecting Fluent Bit versions 2.0.7 through 3.0.3, stemming from improper handling of trace requests in its embedded HTTP server. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network without authentication and can lead to denial of service, information disclosure, or remote code execution. While there is no evidence of active exploitation or publicly available exploit code, the vulnerability has garnered significant community attention and media coverage due to its widespread impact on major cloud providers.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 2.0.7, < 2.2.3CPE matchmatch criteria	cpe:2.3:a:treasuredata:fluent_bit::::::::
		>= 3.0.0, < 3.0.4CPE matchmatch criteria	cpe:2.3:a:treasuredata:fluent_bit::::::::

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

3.9

Impact Score

5.9

CvssVersion

3.1

Exploit Intelligence

EPSS Score

28.31%

Probability of exploitation in next 30 days

EPSS Percentile

97.9%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.2831 is in the 95th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (16)

3cxpatch availablevia llm_extracted

View patch

github_advisorypatch availablevia nvd_reference

View patch