CVE-2021-43775

Name: CVE-2021-43775
Creator: NVD / NIST
Published: 2021-11-23T21:15:20.347+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.6/10EPSS 1.85%

Last modified Jun 17, 2026

CVE-2021-43775 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. 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. EPSS estimates a 1.85% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

8.6/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

EPSS Probability

1.85%

76.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Aimstack	Aim	< 3.1.0

References

https://github.com/aimhubio/aim/blob/0b99c6ca08e0ba7e7011453a2f68033e9b1d1bce/aim/web/api/views.py#L9-L16Product
https://github.com/aimhubio/aim/issues/999Issue Tracking, Third Party Advisory
https://github.com/aimhubio/aim/pull/1003Patch, Third Party Advisory
https://github.com/aimhubio/aim/pull/1003/commits/f01266a1a479ef11d7d6c539e7dd89e9d5639738Patch
https://github.com/aimhubio/aim/security/advisories/GHSA-8phj-f9w2-cjccExploit, Third Party Advisory
https://github.com/aimhubio/aim/blob/0b99c6ca08e0ba7e7011453a2f68033e9b1d1bce/aim/web/api/views.py#L9-L16Product
https://github.com/aimhubio/aim/issues/999Issue Tracking, Third Party Advisory
https://github.com/aimhubio/aim/pull/1003Patch, Third Party Advisory
https://github.com/aimhubio/aim/pull/1003/commits/f01266a1a479ef11d7d6c539e7dd89e9d5639738Patch
https://github.com/aimhubio/aim/security/advisories/GHSA-8phj-f9w2-cjccExploit, Third Party Advisory

Timeline

Published: Nov 23, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-43775?

How severe is CVE-2021-43775?

CVE-2021-43775 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 1.85% probability of exploitation in the next 30 days.

How do I fix CVE-2021-43775?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-43775?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST