CWE-26: Path Traversal: '/dir/../filename'
ID
CWE-26
Abstraction
Variant
Structure
Simple
Status
Draft
Number of CVEs
12
The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize "/dir/../filename" sequences that can resolve to a location that is outside of that directory.
This allows attackers to traverse the file system to access files or directories that are outside of the restricted directory.
The '/dir/../filename' manipulation is useful for bypassing some path traversal protection schemes. Sometimes a program only checks for "../" at the beginning of the input, so a "/../" can bypass that check.
Modes of Introduction
| Phase | Note |
|---|---|
| Implementation |
Applicable Platforms
| Type | Class | Name | Prevalence |
|---|---|---|---|
| Language | Not Language-Specific | ||
| Technology | Web Server |
CVEs Published
CVSS Severity
CVSS Severity - By Year
CVSS Base Score
| # CVE | Description | CVSS | EPSS | EPSS Trend (30 days) | Affected Products | Weaknesses | Security Advisories | Exploits | PoC | Pubblication Date | Modification Date |
|---|---|---|---|---|---|---|---|---|---|---|---|
| # CVE | Description | CVSS | EPSS | EPSS Trend (30 days) | Affected Products | Weaknesses | Security Advisories | PoC | Pubblication Date | Modification Date |
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