// For flags

CVE-2022-36760

Apache HTTP Server: mod_proxy_ajp Possible request smuggling

Severity Score

9.0
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*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 2.4.54 and prior versions.

A flaw was found in the mod_proxy_ajp module of httpd. The connection is not closed when there is an invalid Transfer-Encoding header, allowing an attacker to smuggle requests to the AJP server, where it forwards requests.

*Credits: ZeddYu_Lu from Qi'anxin Research Institute of Legendsec at Qi'anxin Group
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-07-25 CVE Reserved
  • 2023-01-17 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-08-24 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
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 < 2.4.55
Search vendor "Apache" for product "Http Server" and version " >= 2.4.0 < 2.4.55"
-
Affected