// For flags

CVE-2022-26377

mod_proxy_ajp: Possible request smuggling

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This issue affects Apache HTTP Server Apache HTTP Server 2.4 version 2.4.53 and prior versions.

Una vulnerabilidad de Interpretación Incoherente de las Peticiones HTTP ("Contrabando de Peticiones HTTP") en la función mod_proxy_ajp de Apache HTTP Server permite a un atacante contrabandear peticiones al servidor AJP al que reenvía las peticiones. Este problema afecta a Apache HTTP Server, versión 2.4.53 y anteriores

An HTTP request smuggling vulnerability was found in the mod_proxy_ajp module of httpd. This flaw allows an attacker to smuggle requests to the AJP server, where it forwards requests.

Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTTP Server, is common to multiple JBoss middleware products, and is packaged under Red Hat JBoss Core Services to allow for faster distribution of updates, and for a more consistent update experience. This release of Red Hat JBoss Core Services Apache HTTP Server 2.4.51 Service Pack 1 serves as a replacement for Red Hat JBoss Core Services Apache HTTP Server 2.4.51, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Issues addressed include buffer over-read, buffer overflow, bypass, code execution, denial of service, double free, integer overflow, out of bounds read, and use-after-free vulnerabilities.

*Credits: Ricter Z @ 360 Noah Lab
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-03-03 CVE Reserved
  • 2022-06-08 CVE Published
  • 2024-06-27 First Exploit
  • 2024-08-03 CVE Updated
  • 2025-04-02 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Apache
Search vendor "Apache"
Http Server
Search vendor "Apache" for product "Http Server"
>= 2.4.0 <= 2.4.53
Search vendor "Apache" for product "Http Server" and version " >= 2.4.0 <= 2.4.53"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
Fedora
Search vendor "Fedoraproject" for product "Fedora"
35
Search vendor "Fedoraproject" for product "Fedora" and version "35"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
Fedora
Search vendor "Fedoraproject" for product "Fedora"
36
Search vendor "Fedoraproject" for product "Fedora" and version "36"
-
Affected
Netapp
Search vendor "Netapp"
Clustered Data Ontap
Search vendor "Netapp" for product "Clustered Data Ontap"
--
Affected