CVE-2020-29565
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…
- Published
- Updated
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- mitre
Description
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.
Timeline
ID reserved
By mitre
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 1.4% · top 27% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPIhorizonGHSA-f8fh-xp28-q59m (opens in a new tab)
References (6)
- https://bugs.launchpad.net/horizon/+bug/1865026 (opens in a new tab)x_refsource_MISCx_transferred
- https://review.opendev.org/c/openstack/horizon/+/758841/ (opens in a new tab)x_refsource_MISCx_transferred
- https://review.opendev.org/c/openstack/horizon/+/758843/ (opens in a new tab)x_refsource_MISCx_transferred
- https://security.openstack.org/ossa/OSSA-2020-008.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20201207 [OSSA-2020-008] horizon: Open redirect in workflow forms (CVE-2020-29565) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- DSA-4820 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-f8fh-xp28-q59m (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-29565)Record last updated .