PyBlosxom before 1.3.2, when running on certain webservers, allows remote attackers to read arbitrary files via an HTTP request with multiple leading / (slash) characters, which is accessed using the PATH_INFO variable.
CVSS Severity (version 2.0):
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information
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Advisory; Patch Information
Vulnerable software and versions