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TI-2024-25714 Aliases CVE-2024-38473GHSA-hrh5-4ffc-228q

Apache HTTP Server proxy encoding problem

Priority MEDIUM 59CWE-116Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · High
Fix status
Partial Red Hat: 6 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.

Summary

Encoding problem in mod_proxy in Apache HTTP Server 2.4.59 and earlier allows request URLs with incorrect encoding to be sent to backend services, potentially bypassing authentication via crafted requests. Users are recommended to upgrade to version 2.4.60, which fixes this issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.25878 97th percentileScored 2026-11-07
Fix Partial Red Hat: 5 advisoriesRed Hat: 6 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache HTTP Server2.4.0 – 2.4.59—No fix listedCNA
  • Apache HTTP Server VendorApache Affected 2.4.0 – 2.4.59 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*2.4.0 to before 2.4.60VulnerableApache
cpe:2.3:a:netapp:ontap:9:*:*:*:*:*:*:*9VulnerableNetApp
  • cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* Versions 2.4.0 to before 2.4.60 Vulnerable ·Apache
  • cpe:2.3:a:netapp:ontap:9:*:*:*:*:*:*:* Versions 9 Vulnerable ·NetApp

Remediation

Red Hat 5 advisories

  • RHSA-2024:5239 Released 2024-08-13 · Red Hat rating Important
    Red Hat JBoss Core Services Apache HTTP Server 2.4.57 SP5 security update
    • Red Hat JBoss Core Services on RHEL 7 Server jbcs-httpd24-httpd-2.4.57-13.el7jbcs, jbcs-httpd24-httpd-devel-2.4.57-13.el7jbcs, jbcs-httpd24-httpd-manual-2.4.57-13.el7jbcs +12
    • Red Hat JBoss Core Services on RHEL 8 jbcs-httpd24-httpd-2.4.57-13.el8jbcs, jbcs-httpd24-httpd-devel-2.4.57-13.el8jbcs, jbcs-httpd24-httpd-manual-2.4.57-13.el8jbcs +12
  • RHSA-2024:5240 Released 2024-08-13 · Red Hat rating Important
    Red Hat JBoss Core Services Apache HTTP Server 2.4.57 SP5 security update
    • Red Hat JBoss Core Services
  • RHSA-2024:5001 Released 2024-08-06 · Red Hat rating Moderate
    httpd security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.2) httpd-2.4.53-11.el9_2.10, httpd-core-2.4.53-11.el9_2.10, httpd-devel-2.4.53-11.el9_2.10 +8
Show 2 more Red Hat advisories
  • RHSA-2024:4726 Released 2024-07-23 · Red Hat rating Important
    httpd security update
    • Red Hat Enterprise Linux AppStream (v. 9) httpd-2.4.57-11.el9_4, httpd-core-2.4.57-11.el9_4, httpd-devel-2.4.57-11.el9_4 +8
  • RHSA-2024:4720 Released 2024-07-23 · Red Hat rating Important
    httpd:2.4 security update
    • Red Hat Enterprise Linux AppStream (v. 8) httpd-2.4.37-65.module+el8.10.0+22069+b47f5c72.1.aarch64::httpd:2.4, httpd-2.4.37-65.module+el8.10.0+22069+b47f5c72.1.ppc64le::httpd:2.4, httpd-2.4.37-65.module+el8.10.0+22069+b47f5c72.1.s390x::httpd:2.4 +38

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2024:4720
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2024:4726
Red Hat Enterprise Linux AppStream EUS (v.9.2)Fixed RHSA-2024:5001
Red Hat JBoss Core ServicesFixed RHSA-2024:5240
Red Hat JBoss Core Services on RHEL 7 ServerFixed RHSA-2024:5239
Red Hat JBoss Core Services on RHEL 8Fixed RHSA-2024:5239
Not affected: 2 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-38473
  2. 2026-10-03 Alias added: GHSA-hrh5-4ffc-228q
  3. 2026-10-09 Fix available: RHSA-2024:5240 · Red Hat
  4. 2026-11-05 Fix available: Red Hat JBoss Core Services · Red Hat

References

Advisory 2

  • TI-2021-18535 Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-18417 Path traversal and file disclosure vulnerability in Apache HTTP Server 2.4.49 KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-25716 Apache HTTP Server weakness in mod_rewrite when first segment of substitution matches filesystem path. KEVCVSS 3.1CRITICAL 9.1
  • TI-2021-17490 mod_proxy SSRF KEVCVSS 3.1CRITICAL 9.0
  • TI-2019-00184 Use after free in Apache HTTP Server KEVCVSS 3.1HIGH 7.8
  • TI-2009-03392 The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft… CVSS 3.1CRITICAL 9.8
See all 349 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences