CVSS 3.1 Score 7.5 of 10 (high)


Published Dec 12, 2023
Updated: Dec 20, 2023
CWE ID 770


CVE-2023-5379 is a vulnerability found in Undertow, affecting JBoss EAP and mod_cluster in httpd. The flaw allows a malicious user to send AJP requests that exceed the max-header-size attribute, causing JBoss EAP to close the TCP connection without returning a response. This can lead to a Denial of Service (DoS) attack by repeatedly sending such requests. The vulnerability has a base severity rating of HIGH, with an exploitability score of 3.9 out of 10. To remediate this issue, users are advised to update their affected products to the latest versions provided by the vendors.


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