# CVE-2021-43775: Arbitrary file reading vulnerability in Aim

Source: https://junglewise.ai/threats/cve-2021-43775-arbitrary-file-reading-vulnerability-in-aim  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-11-23  
License: CC BY 4.0 with a link back

CVE-2021-43775 · Severity: low · CVSS 3.1 · Published 2021-11-23

Aim is an open-source, self-hosted machine learning experiment tracking tool. Versions of Aim prior to 3.1.0 are vulnerable to a path traversal attack. By manipulating variables that reference files with “dot-dot-slash (../)� sequences and its variations or by using absolute file paths, it may be possible to access arbitrary files and directories stored on file system including application source code or configuration and critical system files. The vulnerability issue is resolved in Aim v3.1.0.

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

## Quick answers

**Is CVE-2021-43775 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2021-43775 being exploited in the wild.

**How severe is CVE-2021-43775?** Low severity, with a CVSS score of 3.1, published 23 November 2021.

**Which products and versions are affected?** aim (PyPI) ECOSYSTEM:introduced=0,fixed=3.1.0.

**Is there a fix for CVE-2021-43775?** Yes. aim (PyPI): upgrade to 3.1.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2021-43775?** Check whether you run aim (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

- aim (PyPI): upgrade to 3.1.0 or later

  ```sh
  pip install "aim>=3.1.0"
  ```


## Affected products

- aim (PyPI) ECOSYSTEM:introduced=0,fixed=3.1.0

## Identifiers

- CVE-2021-43775
- GHSA-8phj-f9w2-cjcc
- PYSEC-2021-839

## Related threats

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- [PYSEC-2026-1085 - Aim Excessive Data Query Operations in a Large Data Table vulnerability](https://junglewise.ai/threats/cve-2025-0190-aim-excessive-data-query-operations-in-a-large-data-table)
- [PYSEC-2026-1089 - Aim Uncontrolled Resource Consumption vulnerability](https://junglewise.ai/threats/cve-2025-0189-aim-uncontrolled-resource-consumption-vulnerability)
- [PYSEC-2026-1094 - Aim Improper Access Control](https://junglewise.ai/threats/cve-2024-8238-aim-improper-access-control)