Request/Response Smuggling in HAProxy 2.6.1-2.6.7/2.7.0
CVE-2023-25950 Published on April 11, 2023

HTTP request/response smuggling vulnerability in HAProxy version 2.7.0, and 2.6.1 to 2.6.7 allows a remote attacker to alter a legitimate user's request. As a result, the attacker may obtain sensitive information or cause a denial-of-service (DoS) condition.

NVD

Vulnerability Analysis

CVE-2023-25950 is exploitable with network access, and does not require authorization privileges or user interaction. 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:
NONE
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-2023-25950 has been classified to as a HTTP Request Smuggling vulnerability or weakness.


Products Associated with CVE-2023-25950

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Affected Versions

HAProxy Technologies HAProxy Version version 2.7.0, and version 2.6.1 to 2.6.7 is affected by CVE-2023-25950

Exploit Probability

EPSS
0.06%
Percentile
19.23%

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.