haproxy haproxy CVE-2021-39242 vulnerability in HAProxy and Other Products
Published on August 17, 2021

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An issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. It can lead to a situation with an attacker-controlled HTTP Host header, because a mismatch between Host and authority is mishandled.

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Products Associated with CVE-2021-39242

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Exploit Probability

EPSS
0.47%
Percentile
64.48%

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.