CVE-2021-3572: Improper Input Validation in pip

CVE-2021-3572 · Severity: low · CVSS 3.1 · Published 2021-11-10

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.

Technologies: pip (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2021-3572 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-3572 being exploited in the wild.
How severe is CVE-2021-3572?
Low severity, with a CVSS score of 3.1, published 10 November 2021.
Which products and versions are affected?
pip (PyPI) ECOSYSTEM:introduced=0,fixed=21.1.
Is there a fix for CVE-2021-3572?
Yes. pip (PyPI): upgrade to 21.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-3572?
Check whether you run pip (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • pip (PyPI): upgrade to 21.1 or later
    pip install "pip>=21.1"

Affected products

  • pip (PyPI) ECOSYSTEM:introduced=0,fixed=21.1

Identifiers

  • CVE-2021-3572
  • GHSA-5xp3-jfq3-5q8x
  • PYSEC-2021-437

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.