CVE-2020-29565
MEDIUM
6.1
CVSS Score
Published: December 4, 2020 at 07:06 AM UTC
Updated: June 17, 2026 at 03:11 AM UTC
2 products affected across 2 vendorsDebian LinuxHorizon
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Severity
MEDIUM6.1
Exploit prediction
EPSS 1%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%15.3.0 ≤ v < 15.3.216.0.0 ≤ v < 16.2.117.0.0 ≤ v < 18.3.318.4.0 ≤ v ≤ 18.5.0
Affected range stops below 15.3.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.2.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 18.3.3, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (6)
Mailing Listx_refsource_MLISTPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2020/12/08/2x_refsource_MISCExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://bugs.launchpad.net/horizon/+bug/1865026x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://review.opendev.org/c/openstack/horizon/+/758841/x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://review.opendev.org/c/openstack/horizon/+/758843/x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://security.openstack.org/ossa/OSSA-2020-008.htmlVendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2020/dsa-4820CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-601
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