CVE-2024-38474

Name: CVE-2024-38474
Creator: NVD / NIST
Published: 2024-07-01T19:15:04.76+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.46%

Last modified Jun 17, 2026

CVE-2024-38474 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Substitution encoding issue in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows attacker to execute scripts in directories permitted by the configuration but not directly reachable by any URL or source disclosure of scripts meant to only to be executed as CGI. Users are recommended to upgrade to version 2.4.60, which fixes this issue. Some RewriteRules that capture and substitute unsafely will now fail unless rewrite flag "UnsafeAllow3F" is specified.. EPSS estimates a 2.46% chance of exploitation in the next 30 days.

Description

Substitution encoding issue in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows attacker to execute scripts in directories permitted by the configuration but not directly reachable by any URL or source disclosure of scripts meant to only to be executed as CGI. Users are recommended to upgrade to version 2.4.60, which fixes this issue. Some RewriteRules that capture and substitute unsafely will now fail unless rewrite flag "UnsafeAllow3F" is specified.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.46%

82.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-116

Affected Software

Vendor	Product	Versions
Apache	Http Server	>= 2.4.0, < 2.4.60
Netapp	Clustered Data Ontap	9.0

References

https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
https://security.netapp.com/advisory/ntap-20240712-0001/Third Party Advisory
http://www.openwall.com/lists/oss-security/2024/07/01/7
https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
https://security.netapp.com/advisory/ntap-20240712-0001/Third Party Advisory

Timeline

Published: Jul 1, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-38474?

How severe is CVE-2024-38474?

CVE-2024-38474 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.46% probability of exploitation in the next 30 days.

How do I fix CVE-2024-38474?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-38474?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST