How severe is CVE-2024-24989?

CVE-2024-24989 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-24989 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-24989?

CVE-2024-24989 primarily affects F5 Nginx Open Source. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-24989?

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

Does CVE-2024-24989 have an EU (EUVD) identifier?

Yes. CVE-2024-24989 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-22351.

When was CVE-2024-24989 published?

CVE-2024-24989 was published on 2024-02-14 and last updated on 2026-06-17.

CVE-2024-24989

CVE-2024-24989 is a high-severity vulnerability in F5 Nginx Open Source with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-22351
Weakness: CWE-476
Affected product: F5 Nginx Open Source
Published: 2024-02-14
Last modified: 2026-06-17

Description

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed requests can cause NGINX worker processes to terminate. Note: The HTTP/3 QUIC module is not enabled by default and is considered experimental. For more information, refer to Support for QUIC and HTTP/3 https://nginx.org/en/docs/quic.html . NOTE: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Frequently asked questions

What is CVE-2024-24989?: When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed requests can cause NGINX worker processes to terminate. Note: The HTTP/3 QUIC module is not enabled by default and is considered experimental. For more information, refer to Support for QUIC and HTTP/3 https://nginx.org/en/docs/quic.html . NOTE: Software versions which have reached End of Technical Support (EoTS) are not evaluated
How severe is CVE-2024-24989?: CVE-2024-24989 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-24989 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-24989?: CVE-2024-24989 primarily affects F5 Nginx Open Source. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-24989?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-24989 have an EU (EUVD) identifier?: Yes. CVE-2024-24989 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-22351.
When was CVE-2024-24989 published?: CVE-2024-24989 was published on 2024-02-14 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:f5:nginx_open_source:1.25.3:*:*:*:*:*:*:*
cpe:2.3:a:f5:nginx_plus:r31:-:*:*:*:*:*:*

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