CVE-2020-29565

mediumpriority · track · 25EPSS 0.014 · 73 %ileEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.43% (73rd) EPSS
CVSS 5.8 · medium
Is it mine?
23 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-28

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • Fixedopenstack-dashboard-1:13.0.3-7.el7ost.noarch as a component of Red Hat OpenStack Platform 13.0redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:5572
  • Fixedopenstack-dashboard-1:13.0.3-7.el7ost.noarch as a component of Red Hat OpenStack Platform 13.0 for RHEL 7.6 EUS Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:5572
  • Fixedpython-django-horizon-1:13.0.3-7.el7ost.noarch as a component of Red Hat OpenStack Platform 13.0redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:5572
  • Fixedpython-django-horizon-1:13.0.3-7.el7ost.noarch as a component of Red Hat OpenStack Platform 13.0 for RHEL 7.6 EUS Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:5572
  • Fixedpython-django-horizon-1:13.0.3-7.el7ost.src as a component of Red Hat OpenStack Platform 13.0redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:5572
  • Fixedpython-django-horizon-1:13.0.3-7.el7ost.src as a component of Red Hat OpenStack Platform 13.0 for RHEL 7.6 EUS Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:5572
  • Workaroundopenstack-dashboard-1:13.0.3-7.el7ost.noarch as a component of Red Hat OpenStack Platform 13.0redhat_csaf

    Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

  • Workaroundopenstack-dashboard-1:13.0.3-7.el7ost.noarch as a component of Red Hat OpenStack Platform 13.0 for RHEL 7.6 EUS Serverredhat_csaf

    Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

  • Workaroundpython-django-horizon-1:13.0.3-7.el7ost.noarch as a component of Red Hat OpenStack Platform 13.0redhat_csaf

    Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

  • Workaroundpython-django-horizon-1:13.0.3-7.el7ost.noarch as a component of Red Hat OpenStack Platform 13.0 for RHEL 7.6 EUS Serverredhat_csaf

    Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

  • Workaroundpython-django-horizon-1:13.0.3-7.el7ost.src as a component of Red Hat OpenStack Platform 13.0redhat_csaf

    Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

  • Workaroundpython-django-horizon-1:13.0.3-7.el7ost.src as a component of Red Hat OpenStack Platform 13.0 for RHEL 7.6 EUS Serverredhat_csaf

    Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

02

cvss

Technical severity, 0–10. One row per scoring source.

6.1
010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 4.9
v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7
v3.16.1mediumAV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU
v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV
v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)
v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · Red Hat Product Security US
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-601USprimaryCWE-601USCWE-601USCWE-601US
04

affected products (23)

Products and version ranges known to be affected.

showing 20 of 23
05

advisories (3)

Vendor and ecosystem advisories describing this.

  • RHSA-2020:5572Red Hat Security Advisory: python-django-horizon security update2020-12-16csaf · redhat_csafUS

    An update for python-django-horizon is now available for Red Hat OpenStack Platform 13 (Queens). Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • GHSA-f8fh-xp28-q59mOpenStack Horizon Open redirect in workflow forms2022-05-24ghsa · osvUS

    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.

  • PYSEC-2020-452020-12-04vendor · osvUS

    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.

06

also known as (7)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bduosvnvdredhat_csafNVDCVE.orgMITRE
published 2020-12-04modified 2026-06-17
09

references (25)

External citations — patches, advisories, analysis.

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