mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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217 lines
8.9 KiB
Markdown
217 lines
8.9 KiB
Markdown
# nvd-json-data-feeds
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[](https://github.com/fkie-cad/nvd-json-data-feeds/actions/workflows/monitor_release.yml)
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[](https://github.com/fkie-cad/nvd-json-data-feeds/actions/workflows/monitor_sync.yml)
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[](https://github.com/fkie-cad/nvd-json-data-feeds/actions/workflows/validate_schema.yml)
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Community reconstruction of the deprecated JSON NVD Data Feeds.
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[Releases](https://github.com/fkie-cad/nvd-json-data-feeds/releases/latest) each day at 00:00 AM UTC.
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Repository synchronizes with the NVD every 2 hours.
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## Repository at a Glance
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### Last Repository Update
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```plain
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2024-06-16T02:00:18.245901+00:00
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```
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### Most recent CVE Modification Timestamp synchronized with NVD
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```plain
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2024-06-16T01:15:48.537000+00:00
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```
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### Last Data Feed Release
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Download and Changelog: [Click](https://github.com/fkie-cad/nvd-json-data-feeds/releases/latest)
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```plain
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2024-06-16T00:00:08.655459+00:00
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```
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### Total Number of included CVEs
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```plain
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254221
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```
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### CVEs added in the last Commit
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Recently added CVEs: `2`
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- [CVE-2024-38394](CVE-2024/CVE-2024-383xx/CVE-2024-38394.json) (`2024-06-16T00:15:49.380`)
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- [CVE-2024-38395](CVE-2024/CVE-2024-383xx/CVE-2024-38395.json) (`2024-06-16T01:15:48.537`)
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### CVEs modified in the last Commit
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Recently modified CVEs: `631`
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- [CVE-2024-5834](CVE-2024/CVE-2024-58xx/CVE-2024-5834.json) (`2024-06-14T06:15:14.953`)
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- [CVE-2024-5835](CVE-2024/CVE-2024-58xx/CVE-2024-5835.json) (`2024-06-14T06:15:15.090`)
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- [CVE-2024-5836](CVE-2024/CVE-2024-58xx/CVE-2024-5836.json) (`2024-06-14T06:15:15.463`)
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- [CVE-2024-5837](CVE-2024/CVE-2024-58xx/CVE-2024-5837.json) (`2024-06-14T06:15:15.683`)
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- [CVE-2024-5838](CVE-2024/CVE-2024-58xx/CVE-2024-5838.json) (`2024-06-14T06:15:15.887`)
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- [CVE-2024-5839](CVE-2024/CVE-2024-58xx/CVE-2024-5839.json) (`2024-06-14T06:15:16.180`)
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- [CVE-2024-5840](CVE-2024/CVE-2024-58xx/CVE-2024-5840.json) (`2024-06-14T06:15:16.280`)
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- [CVE-2024-5841](CVE-2024/CVE-2024-58xx/CVE-2024-5841.json) (`2024-06-14T06:15:16.640`)
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- [CVE-2024-5842](CVE-2024/CVE-2024-58xx/CVE-2024-5842.json) (`2024-06-14T06:15:16.913`)
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- [CVE-2024-5843](CVE-2024/CVE-2024-58xx/CVE-2024-5843.json) (`2024-06-14T06:15:17.170`)
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- [CVE-2024-5844](CVE-2024/CVE-2024-58xx/CVE-2024-5844.json) (`2024-06-14T06:15:17.517`)
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- [CVE-2024-5845](CVE-2024/CVE-2024-58xx/CVE-2024-5845.json) (`2024-06-14T06:15:17.790`)
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- [CVE-2024-5846](CVE-2024/CVE-2024-58xx/CVE-2024-5846.json) (`2024-06-14T06:15:18.070`)
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- [CVE-2024-5847](CVE-2024/CVE-2024-58xx/CVE-2024-5847.json) (`2024-06-14T06:15:18.340`)
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- [CVE-2024-5924](CVE-2024/CVE-2024-59xx/CVE-2024-5924.json) (`2024-06-13T20:15:16.000`)
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- [CVE-2024-5947](CVE-2024/CVE-2024-59xx/CVE-2024-5947.json) (`2024-06-13T20:15:16.277`)
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- [CVE-2024-5948](CVE-2024/CVE-2024-59xx/CVE-2024-5948.json) (`2024-06-13T20:15:16.497`)
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- [CVE-2024-5949](CVE-2024/CVE-2024-59xx/CVE-2024-5949.json) (`2024-06-13T20:15:16.710`)
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- [CVE-2024-5950](CVE-2024/CVE-2024-59xx/CVE-2024-5950.json) (`2024-06-13T20:15:16.923`)
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- [CVE-2024-5951](CVE-2024/CVE-2024-59xx/CVE-2024-5951.json) (`2024-06-13T20:15:17.140`)
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- [CVE-2024-5952](CVE-2024/CVE-2024-59xx/CVE-2024-5952.json) (`2024-06-13T20:15:17.350`)
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- [CVE-2024-5976](CVE-2024/CVE-2024-59xx/CVE-2024-5976.json) (`2024-06-14T03:15:15.327`)
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- [CVE-2024-5985](CVE-2024/CVE-2024-59xx/CVE-2024-5985.json) (`2024-06-14T02:15:10.713`)
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- [CVE-2024-5995](CVE-2024/CVE-2024-59xx/CVE-2024-5995.json) (`2024-06-14T08:15:43.097`)
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- [CVE-2024-5996](CVE-2024/CVE-2024-59xx/CVE-2024-5996.json) (`2024-06-14T09:15:11.010`)
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## Download and Usage
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There are several ways you can work with the data in this repository:
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### 1) Release Data Feed Packages
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The most straightforward approach is to obtain the latest Data Feed release packages [here](https://github.com/fkie-cad/nvd-json-data-feeds/releases/latest).
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Each day at 00:00 AM UTC we package and upload JSON files that aim to reconstruct the legacy NVD CVE Data Feeds.
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Those are aggregated by the `year` part of the CVE identifier:
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```
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# CVE-<YEAR>.json
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CVE-1999.json
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CVE-2001.json
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CVE-2002.json
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CVE-2003.json
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[...]
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CVE-2023.json
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CVE-2024.json
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```
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We also upload the well-known `Recent` and `Modified` feeds.
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Furthermore, we provide the `All` feed, which contains a recent snapshot of all NVD records.
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Once your local copy is synchronized and the last synchronization is no older than 8 days, you can rely on these to stay up to date:
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```plain
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CVE-Recent.json # CVEs that were added in the previous eight days
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CVE-Modified.json # CVEs that were modified or added in the previous eight days
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```
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Note that all feeds are distributed in `xz`-compressed format to save storage and bandwidth.
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For decompression execute:
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```sh
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xz -d -k <feed>.json.xz
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```
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#### Automation using Release Data Feed Packages
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You can fetch the latest releases for each package with the following static link layout:
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```sh
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https://github.com/fkie-cad/nvd-json-data-feeds/releases/latest/download/CVE-<YEAR>.json.xz
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```
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Example:
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```sh
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wget https://github.com/fkie-cad/nvd-json-data-feeds/releases/latest/download/CVE-2024.json.xz
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xz -d -k CVE-2024.json.xz
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```
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### 2) Clone the Repository (with Git History)
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As you can see by browsing this repository, there is a slight difference between the release packages format and the repository folder structure.
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This is because we want to maintain explorability of the dataset.
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Each CVE gets its own JSON file, e.g., `CVE-1999-0001.json`.
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Here, each file is put into a folder layout that first sorts by CVE `year` identifier part and then by `number` part.
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We mask (`xx`) the last two digits to create easily navigable folders that hold a maximum of 100 CVE JSON files:
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```plain
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.
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├── CVE-1999
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│ ├── CVE-1999-00xx
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│ │ ├── CVE-1999-0001.json
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│ │ ├── CVE-1999-0002.json
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│ │ └── [...]
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│ ├── CVE-1999-01xx
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│ │ ├── CVE-1999-0101.json
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│ │ └── [...]
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│ └── [...]
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├── CVE-2000
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│ ├── CVE-2000-00xx
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│ ├── CVE-2000-01xx
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│ └── [...]
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└── [...]
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```
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A byproduct of managing and continuously updating this dataset via Git is that we can track changes over time through the Git history.
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If you are interested in having the NVD data as organized above, including the historical data of changes, just clone this repository (large!):
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```sh
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git clone https://github.com/fkie-cad/nvd-json-data-feeds.git
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```
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#### (Optional) Meta Files
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Similar to the old official feeds, we provide meta files with each release. They can be fetched for each feed via:
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```sh
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https://github.com/fkie-cad/nvd-json-data-feeds/releases/latest/download/CVE-<YEAR>.meta
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```
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The structure is as follows:
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```plain
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lastModifiedDate:1970-01-01T00:00:00.000+00:00 # ISO 8601 timestamp of last CVE modification
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size:1000 # size of uncompressed feed (bytes)
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xzSize:100 # size of lzma-compressed feed (bytes)
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sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 # sha256 hexdigest of uncompressed feed
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```
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### 3) Clone the Repository (without Git History)
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Don't need the history? Then create a shallow copy:
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```sh
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git clone --depth 1 -b main https://github.com/fkie-cad/nvd-json-data-feeds.git
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```
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## Update Timetable
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* NVD Synchronization: `Bi-Hourly`, starting with `00:00:00Z`
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* Release Packages: `Daily`, at `00:00:00Z`
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* NVD Rebuilds: `Weekly`, at `Sun, 02:30:00Z`
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## Motivation
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On 2023-12-15, the NIST deprecated all [JSON-based NVD Data Feeds](https://nvd.nist.gov/vuln/data-feeds#divRetirementBanner-1).
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The new [NVD CVE API 2.0](https://nvd.nist.gov/developers/vulnerabilities) is, without a doubt, a great way to obtain CVE information.
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However, we from [Fraunhofer FKIE - Cyber Analysis and Defense](https://www.fkie.fraunhofer.de/en/departments/cad.html) believe that the API does not cover a variety of use cases.
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The legacy NVD Data Feeds provided a convenient way to quickly obtain a complete, file-based offline database snapshot; just download the `CVE-<YEAR>.tar.gz`, decompress it, and use it as you please, e.g.:
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- Put the JSON feed into a document-based database and quickly leverage upon that data in your software project, ...
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- Parse and analyze it using your favorite programming language, ...
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- Put it on a USB stick and transfer it to a system without internet access, or ...
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- Query the file using `jq`!
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Unfortunately, the new NVD API 2.0 adds complexity to this process.
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We want to preserve ease of use by reconstructing these data sources.
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## Non-Endorsement Clause
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This project uses and redistributes data from the NVD API but is not endorsed or certified by the NVD. |