PYSEC-2020-45

    Dashboard / Vulnerabilities / PYSEC-2020-45

    PYSEC-2020-45

    Published: 4 Dec 2020Last Modified: 10 Jun 2026

    Summary:

    Details: An issue was discovered in OpenStack Horizon before 15.3.2, 16.x before 16.2.1, 17.x and 18.x before 18.3.3, 18.4.x, and 18.5.x. There is a lack of validation of the "next" parameter, which would allow someone to supply a malicious URL in Horizon that can cause an automatic redirect to the provided malicious URL.

    References: https://bugs.launchpad.net/horizon/+bug/1865026, https://review.opendev.org/c/openstack/horizon/+/758841/, https://review.opendev.org/c/openstack/horizon/+/758843/, https://security.openstack.org/ossa/OSSA-2020-008.html, http://www.openwall.com/lists/oss-security/2020/12/08/2, https://www.debian.org/security/2020/dsa-4820, https://github.com/advisories/GHSA-f8fh-xp28-q59m

    Affected packages

    Package

    Name: horizon

    Purl: pkg:pypi/horizon

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 15.3.0
    Fixed -15.3.2

    Affected versions

    15.3.0
    15.3.1

    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-2020-45 | CVE-DB