How severe is CVE-2024-31079?

CVE-2024-31079 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2024-31079 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-31079?

CVE-2024-31079 primarily affects F5 Nginx Open Source. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-31079?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-31079 have an EU (EUVD) identifier?

Yes. CVE-2024-31079 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34446.

When was CVE-2024-31079 published?

CVE-2024-31079 was published on 2024-05-29 and last updated on 2026-06-17.

CVE-2024-31079

CVE-2024-31079 is a medium-severity vulnerability in F5 Nginx Open Source with a CVSS 3.x base score of 4.8. 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-787.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-34446
Weakness: CWE-787
Affected product: F5 Nginx Open Source
Published: 2024-05-29
Last modified: 2026-06-17

Description

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed HTTP/3 requests can cause NGINX worker processes to terminate or cause other potential impact. This attack requires that a request be specifically timed during the connection draining process, which the attacker has no visibility and limited influence over.

Frequently asked questions

What is CVE-2024-31079?: When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed HTTP/3 requests can cause NGINX worker processes to terminate or cause other potential impact. This attack requires that a request be specifically timed during the connection draining process, which the attacker has no visibility and limited influence over.
How severe is CVE-2024-31079?: CVE-2024-31079 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2024-31079 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-31079?: CVE-2024-31079 primarily affects F5 Nginx Open Source. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-31079?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-31079 have an EU (EUVD) identifier?: Yes. CVE-2024-31079 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34446.
When was CVE-2024-31079 published?: CVE-2024-31079 was published on 2024-05-29 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:a:f5:nginx_open_source:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:nginx_plus:r30:-:*:*:*:*:*:*
cpe:2.3:a:f5:nginx_plus:r30:p1:*:*:*:*:*:*
cpe:2.3:a:f5:nginx_plus:r30:p2:*:*:*:*:*:*
cpe:2.3:a:f5:nginx_plus:r31:-:*:*:*:*:*:*
cpe:2.3:a:f5:nginx_plus:r31:p1:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*

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