CVE-2024-38809

CVE-2024-38809 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. 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-400.

Key facts

Description

Applications that parse ETags from "If-Match" or "If-None-Match" request headers are vulnerable to DoS attack. Users of affected versions should upgrade to the corresponding fixed version. Users of older, unsupported versions could enforce a size limit on "If-Match" and "If-None-Match" headers, e.g. through a Filter.

Frequently asked questions

What is CVE-2024-38809?
Applications that parse ETags from "If-Match" or "If-None-Match" request headers are vulnerable to DoS attack. Users of affected versions should upgrade to the corresponding fixed version. Users of older, unsupported versions could enforce a size limit on "If-Match" and "If-None-Match" headers, e.g. through a Filter.
How severe is CVE-2024-38809?
CVE-2024-38809 has a CVSS 3.x base score of 5.3, rated medium 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 low.
Is CVE-2024-38809 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-38809?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-38809 have an EU (EUVD) identifier?
Yes. CVE-2024-38809 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2696.
When was CVE-2024-38809 published?
CVE-2024-38809 was published on 2024-09-27 and last updated on 2026-06-17.

References

Other CWE-400 (Uncontrolled Resource Consumption) vulnerabilities

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