// For flags

CVE-2024-39573

Apache HTTP Server: mod_rewrite proxy handler substitution

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

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.

El potencial SSRF en mod_rewrite en Apache HTTP Server 2.4.59 y versiones anteriores permite a un atacante provocar que RewriteRules inseguras configuren inesperadamente URL para que sean manejadas por mod_proxy. Se recomienda a los usuarios actualizar a la versión 2.4.60, que soluciona este problema.

A flaw was found in the mod_rewrite module of httpd. A potential SSRF allows an attacker to cause unsafe rules used in the RewriteRule directive to unexpectedly set up URLs to be handled by the mod_proxy module.

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.

Multiple vulnerabilities have been discovered in the Apache HTTP server, which may result in authentication bypass, execution of scripts in directories not directly reachable by any URL, server-side request forgery or denial of service.

*Credits: Orange Tsai (@orange_8361) from DEVCORE
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-06-25 CVE Reserved
  • 2024-07-01 CVE Published
  • 2025-02-13 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Apache Software Foundation
Search vendor "Apache Software Foundation"
 Apache HTTP Server
Search vendor "Apache Software Foundation" for product "Apache HTTP Server"
 >= 2.4.0 <= 2.4.59
Search vendor "Apache Software Foundation" for product "Apache HTTP Server" and version " >= 2.4.0 <= 2.4.59"
en
Affected