CVE-2023-27522

Aliases:GHSA-vcph-37mh-fqrhBIT-apache-2023-27522
Advisory lineage Upstream: 0 Downstream: 17
Analyzed
Published: 07 Mar 2023, 15:09
Last modified:13 Feb 2025, 16:45

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.1 (cve.org)
EPSS Score
0.67% LOW
1% probability +0.03%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

07 Mar 2023, 15:09
Published
Vulnerability first disclosed
13 Feb 2025, 16:45
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Trends

Current EPSS score: 0.67%• Percentile: 72%

Techniques & Countermeasures

  • CWE-444•Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

    The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.

Affected Systems

  • apache software foundation•apache http server

    ≥ 2.4.30, ≤ 2.4.55

  • Unknown•HTTP Server

    ≥ 2.4.30, < 2.4.56

  • debian•debian_linux

    10.0

  • PyPI•uwsgi

    < 2.0.22

  • unbit•uwsgi

    < 2.0.22

References (9)