Version Disclosure (Undertow Web Server)
Severity: Low
Summary #
Invicti identified a version disclosure (Undertow Web Server) in the target web server's HTTP response. Undertow is a flexible performant web server written in java, providing both blocking and non-blocking API's based on NIO.
This information can help an attacker gain a greater understanding of the systems in use and potentially develop further attacks targeted at the specific version of Undertow Web Server.
Impact #
An attacker might use the disclosed information to harvest specific security vulnerabilities for the version identified.
Remediation #
Configure your web server to prevent information leakage from the
X-Powered-By header of its HTTP response.Classifications #
CAPEC-170; CWE-205; HIPAA-164.306(a), 164.308(a); ISO27001-A.18.1.3; WASC-13; OWASP 2013-A5; OWASP 2017-A6
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