CVE-2021-43775
CVE-2021-43775 is a high-severity vulnerability in Aimstack Aim with a CVSS 3.x base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 8.6)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (77th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Aimstack Aim
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2021-43775?
- 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.
- How severe is CVE-2021-43775?
- CVE-2021-43775 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2021-43775 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-43775?
- CVE-2021-43775 affects Aimstack Aim. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-43775?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-43775 published?
- CVE-2021-43775 was published on 2021-11-23 and last updated on 2026-06-17.
References
- https://github.com/aimhubio/aim/blob/0b99c6ca08e0ba7e7011453a2f68033e9b1d1bce/aim/web/api/views.py#L9-L16
- https://github.com/aimhubio/aim/issues/999
- https://github.com/aimhubio/aim/pull/1003
- https://github.com/aimhubio/aim/pull/1003/commits/f01266a1a479ef11d7d6c539e7dd89e9d5639738
- https://github.com/aimhubio/aim/security/advisories/GHSA-8phj-f9w2-cjcc
Affected products (1)
- cpe:2.3:a:aimstack:aim:*:*:*:*:*:python:*:*
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