Summary
Acunetix 360 identified that the target web server is disclosing the RubyGems version in its HTTP response. This information might help an attacker gain a greater understanding of the systems in use and potentially develop further attacks targeted at the specific version of RubyGems.
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 its HTTP response.