Apache APISIX HTTP Request Smuggling via forward-auth (v3.8.03.9.0)
CVE-2024-32638 Published on May 2, 2024

Apache APISIX: Forward-Auth Request Smuggling
Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in Apache APISIX when using `forward-auth` plugin.This issue affects Apache APISIX: from 3.8.0, 3.9.0. Users are recommended to upgrade to version 3.8.1, 3.9.1 or higher, which fixes the issue.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2024-32638 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be low. considered to have a small impact on confidentiality and integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
LOW
Integrity Impact:
LOW
Availability Impact:
LOW

Weakness Type

What is a HTTP Request Smuggling Vulnerability?

When malformed or abnormal HTTP requests are interpreted by one or more entities in the data flow between the user and the web server, such as a proxy or firewall, they can be interpreted inconsistently, allowing the attacker to "smuggle" a request to one device without the other device being aware of it.

CVE-2024-32638 has been classified to as a HTTP Request Smuggling vulnerability or weakness.


Products Associated with CVE-2024-32638

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Apache Apisix
 

Affected Versions

Apache Software Foundation Apache APISIX: apache_software_foundation Apache_APISIX:

Exploit Probability

EPSS
0.36%
Percentile
57.47%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.