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README.md
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license: cc0-1.0
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---
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license: cc0-1.0
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language:
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- en
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task_categories:
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- text-classification
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tags:
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- cyber-security
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- vulnerability
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- cve
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- cwe
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- cvss
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- nvd
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- tabular
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- time-series
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- risk-analysis
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pretty_name: NVD CVE & CWE Vulnerability Dataset (1999-2025)
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size_categories:
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- 100K<n<1M
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---
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This collection brings together every Common Vulnerabilities & Exposures (CVE) entry published in the National Vulnerability Database (NVD) from the very first identifier — `CVE-1999-0001` — through all records available on **30 May 2025**.
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It was built automatically with a **Python** script that calls the **NVD REST API v2.0** page-by-page, handles rate-limits, and **filters data**.
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After download each CVE object is pared down to the essentials and written to **`CVE_CWE_2025.csv`** with the following columns:
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| Column | Meaning |
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| ------------------------------- | ------------------------------------------------------------------------------------------------------ |
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| `ID` | Simple row index (starting at 1) |
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| `CVE-ID` | Official CVE identifier |
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| `CVSS-V4`, `CVSS-V3`, `CVSS-V2` | Base scores for the three CVSS generations; missing versions are stored as the string `"None"` |
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| `SEVERITY` | Qualitative severity (e.g. *LOW, MEDIUM, HIGH, CRITICAL*) taken from the newest CVSS version present |
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| `DESCRIPTION` | Normalised English description from the NVD feed |
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| `CWE-ID` | Mapped Common Weakness Enumeration code (`CWE-###`) or `NVD-CWE-Other` when no specific mapping exists |
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---
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#### Possible uses
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* **Exploratory analysis** of vulnerability trends over 25 years (e.g. growth of certain CWE classes or shifts in average CVSS score).
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* **Machine-learning tasks** such as severity or CWE prediction from free-text descriptions.
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* **Joining with product-specific SBOMs** or asset inventories to assess organisational exposure.
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* Quick look-ups for **incident response**, education, security research, or reporting dashboards.
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