// For flags

CVE-2023-27522

Apache HTTP Server: mod_proxy_uwsgi HTTP response splitting

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

HTTP Response Smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.55.

Special characters in the origin response header can truncate/split the response forwarded to the client.

An HTTP Response Smuggling vulnerability was found in the Apache HTTP Server via mod_proxy_uwsgi. This security issue occurs when special characters in the origin response header can truncate or split the response forwarded to the client.

*Credits: Dimas Fariski Setyawan Putra (nyxsorcerer)
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-03-02 CVE Reserved
  • 2023-03-07 CVE Published
  • 2024-09-27 EPSS Updated
  • 2024-10-23 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
  • 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"
>= 2.4.30 <= 2.4.55
Search vendor "Apache" for product "Http Server" and version " >= 2.4.30 <= 2.4.55"
-
Affected
Debian
Search vendor "Debian"
Debian Linux
Search vendor "Debian" for product "Debian Linux"
10.0
Search vendor "Debian" for product "Debian Linux" and version "10.0"
-
Affected
Unbit
Search vendor "Unbit"
Uwsgi
Search vendor "Unbit" for product "Uwsgi"
< 2.0.22
Search vendor "Unbit" for product "Uwsgi" and version " < 2.0.22"
-
Affected