CVE-2024-39573

Apache HTTP Server: mod_rewrite proxy handler substitution

At a glance

Severity: HIGH 7.5
EPSS: EPSS 35.45 % · percentile 98 (2026-10-27)
State: PUBLISHED
Published: 2024-07-01
Updated: 2025-11-03
Assigner: apache
NVD status: Modified

Description

Potential SSRF in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows an attacker to cause unsafe RewriteRules to unexpectedly setup URL's to be handled by mod_proxy. Users are recommended to upgrade to version 2.4.60, which fixes this issue.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	CISA-ADP
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Weaknesses (CWE)

CWE-20

European references

ENISA EUVD · EUVD-2024-38096
GCVE · GCVE-0-2024-39573

CERT-FR advisories

CERTFR-2024-AVI-0929 — Multiples vulnérabilités dans les produits Apple · cert.ssi.gouv.fr
CERTFR-2024-AVI-0750 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
CERTFR-2024-AVI-0676 — Multiples vulnérabilités dans Tenable Security Center · cert.ssi.gouv.fr
CERTFR-2024-AVI-0533 — Multiples vulnérabilités dans Apache HTTP Server · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* ≥ 2.4.0 < 2.4.60
cpe:2.3:a:netapp:ontap:9:*:*:*:*:*:*:*

Affected products

Product	Versions
Apache Software Foundation · Apache HTTP Server	affected 2.4.0 ≤ 2.4.59

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD