How severe is CVE-2024-4323?

CVE-2024-4323 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-4323 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 28% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-4323?

CVE-2024-4323 affects Treasuredata Fluent Bit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-4323?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-4323 have an EU (EUVD) identifier?

Yes. CVE-2024-4323 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-43966.

When was CVE-2024-4323 published?

CVE-2024-4323 was published on 2024-05-20 and last updated on 2026-06-17.

CVE-2024-4323

CVE-2024-4323 is a critical-severity vulnerability in Treasuredata Fluent Bit with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 28% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 28% (98th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-43966
Weakness: CWE-787
Affected product: Treasuredata Fluent Bit
Published: 2024-05-20
Last modified: 2026-06-17

Description

A memory corruption vulnerability in Fluent Bit versions 2.0.7 thru 3.0.3. This issue lies in the embedded http server’s parsing of trace requests and may result in denial of service conditions, information disclosure, or remote code execution.

Frequently asked questions

What is CVE-2024-4323?: A memory corruption vulnerability in Fluent Bit versions 2.0.7 thru 3.0.3. This issue lies in the embedded http server’s parsing of trace requests and may result in denial of service conditions, information disclosure, or remote code execution.
How severe is CVE-2024-4323?: CVE-2024-4323 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-4323 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 28% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-4323?: CVE-2024-4323 affects Treasuredata Fluent Bit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-4323?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-4323 have an EU (EUVD) identifier?: Yes. CVE-2024-4323 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-43966.
When was CVE-2024-4323 published?: CVE-2024-4323 was published on 2024-05-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:treasuredata:fluent_bit:*:*:*:*:*:*:*:*

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