Description
One or more pages containing RSA private key(s) were found. Public-key cryptosystems have two primary uses, encryption and digital signatures. In their system, each person gets a pair of keys, one called the public key and the other called the private key. The public key is published, while the private key is kept secret. A private key should never be accessible directly from the web.This information can be used to conduct further attacks.
Remediation
Prevent this information from being displayed to the user.
References
Related Vulnerabilities
WordPress Plugin Swim Team Arbitrary File Download (1.44.1077)
TYPO3 Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2012-3529)
WordPress 4.4.x Multiple Vulnerabilities (4.4 - 4.4.30)
Joomla! Core 1.7.x Information Disclosure (1.7.0 - 1.7.4)
Nginx memory disclosure with specially crafted HTTP backend responses