Open Redirect in OpenStack Horizon
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 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.
Vulnerability class: Open Redirect
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.014 (72.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- OpenStack Horizon
- Debian Linux — versions 10.0
Weakness classification (CWE)
References
- bugs.launchpad.net/horizon/+bug/1865026 (Exploit, Third Party Advisory, Issue Tracking)
- review.opendev.org/c/openstack/horizon/+/758841/ (Patch, Third Party Advisory)
- review.opendev.org/c/openstack/horizon/+/758843/ (Patch, Third Party Advisory)
- security.openstack.org/ossa/OSSA-2020-008.html (Patch, Vendor Advisory)
- www.openwall.com/lists/oss-security/2020/12/08/2 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.debian.org/security/2020/dsa-4820 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-29565?
- CVE-2020-29565 is a medium-severity vulnerability in OpenStack Horizon, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2020-12-04.
- How severe is CVE-2020-29565?
- Medium severity. CVSS v3 base score is 6.1 out of 10.