How severe is CVE-2024-32638?

CVE-2024-32638 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2024-32638 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-2024-32638?

CVE-2024-32638 primarily affects Apache Apisix. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-32638?

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

Does CVE-2024-32638 have an EU (EUVD) identifier?

Yes. CVE-2024-32638 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-30440.

When was CVE-2024-32638 published?

CVE-2024-32638 was published on 2024-05-02 and last updated on 2026-06-17.

CVE-2024-32638

CVE-2024-32638 is a medium-severity vulnerability in Apache Apisix with a CVSS 3.x base score of 6.3. 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-444.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-30440
Weakness: CWE-444
Affected product: Apache Apisix
Published: 2024-05-02
Last modified: 2026-06-17

Description

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in Apache APISIX when using `forward-auth` plugin.This issue affects Apache APISIX: from 3.8.0, 3.9.0. Users are recommended to upgrade to version 3.8.1, 3.9.1 or higher, which fixes the issue.

Frequently asked questions

What is CVE-2024-32638?: Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in Apache APISIX when using `forward-auth` plugin.This issue affects Apache APISIX: from 3.8.0, 3.9.0. Users are recommended to upgrade to version 3.8.1, 3.9.1 or higher, which fixes the issue.
How severe is CVE-2024-32638?: CVE-2024-32638 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2024-32638 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-2024-32638?: CVE-2024-32638 primarily affects Apache Apisix. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-32638?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-32638 have an EU (EUVD) identifier?: Yes. CVE-2024-32638 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-30440.
When was CVE-2024-32638 published?: CVE-2024-32638 was published on 2024-05-02 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:apache:apisix:3.8.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:apisix:3.9.0:*:*:*:*:*:*:*

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