PYSEC-2021-437

    Dashboard / Vulnerabilities / PYSEC-2021-437

    PYSEC-2021-437

    Published: 10 Nov 2021Last Modified: 24 Mar 2026

    Summary:

    Details: 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.

    References: https://bugzilla.redhat.com/show_bug.cgi?id=1962856, https://github.com/advisories/GHSA-5xp3-jfq3-5q8x

    Affected packages

    Package

    Name: pip

    Purl: pkg:pypi/pip

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -21.1

    Affected versions

    0.2
    0.2.1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    PYSEC-2021-437 | CVE-DB