CWE-43: Path Equivalence: 'filename....' (Multiple Trailing Dot)
The product accepts path input in the form of multiple trailing dot ('filedir....') without appropriate validation, which can lead to ambiguous path resolution and allow an attacker to traverse the file system to unintended locations or access arbitrary files.
A kind of CWE-42 Path Equivalence: 'filename.' (Trailing Dot).
From the CWE List. © The MITRE Corporation.