CVE-2024-24990 | NGINX HTTP/3 QUIC vulnerability

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

Published: 2024-02-14 Last update: 2025-02-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2024-24990 is rated Moderate Risk (50/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.91%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2024-24990

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.31% 0.91% +0.60%
2 2026-05-28 0.19% 0.31% +0.13%
3 2025-11-21 — 0.19% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-24990

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]

Weakness enumeration for CVE-2024-24990

OS Trackers for CVE-2024-24990

vendor priority summary link
debian unimportant CVE-2024-24990 unimportant priority: Debian including 1 source packages (nginx), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2024-24990
gentoo low CVE-2024-24990: 1 GLSA(s) (202409-32), 1 atom(s) (www-servers/nginx); latest impact low. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2024-24990
redhat high — https://access.redhat.com/security/cve/CVE-2024-24990
suse high CVE-2024-24990 severity important: SUSE including 4 source package names (nginx, nginx-1.27.2-160000.2.2, nginx-source, nginx-source-1.27.2-160000.2.2), 43 product×package rows across 22 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 7.1, … (22 product lines)): Known Not Affected 41, Fixed 2. https://www.suse.com/security/cve/CVE-2024-24990/
ubuntu medium CVE-2024-24990 medium priority: Ubuntu including 1 source packages (nginx), 8 status rows across 8 suites (bionic, focal, jammy, mantic, noble, trusty, upstream, xenial): not-affected 7, released 1. https://ubuntu.com/security/CVE-2024-24990

Affected software / configurations for CVE-2024-24990

Vendor Product Version Raw CPE
f5 nginx_open_source >= 1.25.0, < 1.25.4 cpe:2.3:a:f5:nginx_open_source:*:*:*:*:*:*:*:*
f5 nginx_plus r30 cpe:2.3:a:f5:nginx_plus:r30:-:*:*:*:*:*:*
f5 nginx_plus r30 cpe:2.3:a:f5:nginx_plus:r30:p1:*:*:*:*:*:*
f5 nginx_plus r31 cpe:2.3:a:f5:nginx_plus:r31:-:*:*:*:*:*:*

References for CVE-2024-24990

cvelogic Threat Intelligence