# CVE-2023-23930: Pickle serialization vulnerable to Deserialization of Untrusted Data

Source: https://junglewise.ai/threats/cve-2023-23930-pickle-serialization-vulnerable-to-deserialization-of-untrusted  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-10-11  
License: CC BY 4.0 with a link back

CVE-2023-23930 · Severity: low · CVSS 3.1 · Published 2023-10-11

vantage6 is privacy preserving federated learning infrastructure. Versions prior to 4.0.0 use pickle, which has known security issue, as a default serialization module but that has known security issues. All users of vantage6 that post tasks with the default serialization are affected. Version 4.0.0 contains a patch. Users may specify JSON serialization as a workaround.

Technologies: [vantage6 (PyPI)](https://junglewise.ai/threats/technologies/vantage6). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2023-23930 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2023-23930 being exploited in the wild.

**How severe is CVE-2023-23930?** Low severity, with a CVSS score of 3.1, published 11 October 2023.

**Which products and versions are affected?** vantage6 (PyPI) ECOSYSTEM:introduced=0,fixed=4.0.2, GIT:introduced=0,fixed=e62f03bacf2247bd59eed217e2e7338c3a01a5f0|ECOSYSTEM:introduced=0,fixed=4.0.2.

**Is there a fix for CVE-2023-23930?** Yes. vantage6 (PyPI): upgrade to 4.0.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2023-23930?** Check whether you run vantage6 (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- vantage6 (PyPI): upgrade to 4.0.2 or later

  ```sh
  pip install "vantage6>=4.0.2"
  ```


## Affected products

- vantage6 (PyPI) ECOSYSTEM:introduced=0,fixed=4.0.2, GIT:introduced=0,fixed=e62f03bacf2247bd59eed217e2e7338c3a01a5f0|ECOSYSTEM:introduced=0,fixed=4.0.2

## Identifiers

- CVE-2023-23930
- GHSA-5m22-cfq9-86x6
- PYSEC-2023-196

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