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Vulnerability record · CVE-2021-42969 · published 13 May 2022

CVE-2021-42969: Anaconda3 os command injection vulnerability

Anaconda · Anaconda3

Certain Anaconda3 2021.05 are affected by OS command injection. When a user installs Anaconda, an attacker can create a new file and write something in usercustomize.py. When the user opens the terminal or activates Anaconda, the command will be executed.

8.8 CVSS 3.1 High EPSS 1.9% · top 20.8% CWE-78 · OS command injection
8.8CVSS 3.1 base score, v2 9.3
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Certain Anaconda3 2021.05 are affected by OS command injection. When a user installs Anaconda, an attacker can create a new file and write something in usercustomize.py. When the user opens the terminal or activates Anaconda, the command will be executed.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://yuaneuro.cn/anaconda/anaconda_command_execution.docx ExploitThird Party AdvisoryURL Repurposed
https://yuaneuro.cn/anaconda/anaconda_command_execution.docx ExploitThird Party AdvisoryURL Repurposed

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-42969), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.