CVE-2021-40346 vulnerability in HAProxy and Other Products
Published on September 8, 2021
An integer overflow exists in HAProxy 2.0 through 2.5 in htx_add_header that can be exploited to perform an HTTP request smuggling attack, allowing an attacker to bypass all configured http-request HAProxy ACLs and possibly other ACLs.
Products Associated with CVE-2021-40346
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Exploit Probability
EPSS
92.38%
Percentile
99.73%
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.