CVE-2024-38475

CRITICAL CISA KEV

CVSS v3

9.1

CRITICAL

EPSS Score

—

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

Description

Improper escaping of output in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows an attacker to map URLs to filesystem locations that are permitted to be served by the server but are not intentionally/directly reachable by any URL, resulting in code execution or source code disclosure. Substitutions in server context that use a backreferences or variables as the first segment of the substitution are affected. Some unsafe RewiteRules will be broken by this change and the rewrite flag

CISA Known Exploited Vulnerability

Date Added: 5/1/2025
Patch Due Date: 5/22/2025
Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Technical Details

CVSS v3 Vector: 3.1
Published: 7/1/2024
Last Modified: 11/17/2025

Frequently Asked Questions

What is CVE-2024-38475?

Is CVE-2024-38475 actively exploited?

Yes. CVE-2024-38475 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 5/22/2025.

What is the CVSS score for CVE-2024-38475?

CVE-2024-38475 has a CVSS v3 base score of 9.1 (CRITICAL severity), with vector string 3.1.

Is CVE-2024-38475 affecting your environment?

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