CVE-2021-3572 Affecting python-pip package, versions <8.1.1-2ubuntu0.6+esm2


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
1.83% (78th percentile)

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  • Snyk IDSNYK-UBUNTU1604-PYTHONPIP-1618656
  • published19 Aug 2025
  • disclosed10 Nov 2021

Introduced: 10 Nov 2021

CVE-2021-3572  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 python-pip to version 8.1.1-2ubuntu0.6+esm2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-pip package and not the python-pip package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

A flaw was found in python-pip in the way it handled Unicode separators in git references. A remote attacker could possibly use this issue to install a different revision on a repository. The highest threat from this vulnerability is to data integrity. This is fixed in python-pip version 21.1.

CVSS Base Scores

version 3.1