CVE-2024-53868

CVE-2024-53868 is a high-severity vulnerability in Apache Traffic Server 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-444.

Key facts

Description

Apache Traffic Server allows request smuggling if chunked messages are malformed.  This issue affects Apache Traffic Server: from 9.2.0 through 9.2.9, from 10.0.0 through 10.0.4. Users are recommended to upgrade to version 9.2.10 or 10.0.5, which fixes the issue.

Frequently asked questions

What is CVE-2024-53868?
Apache Traffic Server allows request smuggling if chunked messages are malformed.  This issue affects Apache Traffic Server: from 9.2.0 through 9.2.9, from 10.0.0 through 10.0.4. Users are recommended to upgrade to version 9.2.10 or 10.0.5, which fixes the issue.
How severe is CVE-2024-53868?
CVE-2024-53868 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 high, and availability none.
Is CVE-2024-53868 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-53868?
CVE-2024-53868 affects Apache Traffic Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-53868?
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-2024-53868 have an EU (EUVD) identifier?
Yes. CVE-2024-53868 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9584.
When was CVE-2024-53868 published?
CVE-2024-53868 was published on 2025-04-03 and last updated on 2026-06-17.

References

Affected products (1)

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