CVE-2021-39158

Name: CVE-2021-39158
Creator: NVD / NIST
Published: 2021-08-23T21:15:09.643+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2021-39158 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. NVCaffe's python required dependencies list used to contain `gfortran`version prior to 0.17.4, entry which does not exist in the repository pypi.org. An attacker could potentially have posted malicious files to pypi.org causing a user to install it within NVCaffe.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

NVCaffe's python required dependencies list used to contain `gfortran`version prior to 0.17.4, entry which does not exist in the repository pypi.org. An attacker could potentially have posted malicious files to pypi.org causing a user to install it within NVCaffe.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.50%

38.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-345

Affected Software

Vendor	Product	Versions
Nvidia	Nvcaffe	< 0.17.4

References

https://github.com/NVIDIA/caffe/security/advisories/GHSA-fmpp-8pwg-vwh9Third Party Advisory
https://github.com/NVIDIA/caffe/security/advisories/GHSA-fmpp-8pwg-vwh9Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2021-39158?

How severe is CVE-2021-39158?

CVE-2021-39158 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2021-39158?

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-2021-39158?

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

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Source: NVD / NIST