CVE-2017-20284
HighCVSS 7.5Exploitation Probability (EPSS)
Elevated risk60th percentile - higher than 60% of all known CVEs
Summary
Caucho Resin contains a path traversal vulnerability in the documentation webapp (resin-doc) that allows remote unauthenticated attackers to read arbitrary files by supplying a relative path through the inputFile request parameter of the jndi-appconfig tutorial servlet. Attackers can craft requests with directory traversal sequences to read files outside the intended tutorial directory.
Risk Assessment
An attacker could access sensitive system files, potentially leading to data leakage and security compromise.
Recommendation
Upgrade Caucho Resin to a patched version or restrict access to the resin-doc application.
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Original NVD description (English source)
Caucho Resin contains a path traversal vulnerability in the documentation webapp (resin-doc) that allows remote unauthenticated attackers to read arbitrary files by supplying a relative path through the inputFile request parameter of the jndi-appconfig tutorial servlet. Attackers can craft requests with directory traversal sequences to the servlet endpoint to read files outside the intended tutorial directory on the underlying system. Exploitation evidence was first observed by the Shadowserver Foundation on 2021-12-10.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

