Open Redirect in Red Hat Build Of Keycloak 22
CVE-2023-6927
A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to bypass the security patch implemented to address CVE-2023-6134.
Vulnerability class: Open Redirect
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.011 (64.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Red Hat Build Of Keycloak 22 — versions 22-7
- Red Hat Build Of Keycloak 22.0.8
- Red Hat Single Sign-On 7
- Red Hat Single Sign-On 7.6 For Rhel 7 — versions 0:18.0.11-3.redhat_00001.1.el7sso, 0:18.0.12-1.redhat_00001.1.el7sso
- Red Hat Single Sign-On 7.6 For Rhel 8 — versions 0:18.0.11-3.redhat_00001.1.el8sso, 0:18.0.12-1.redhat_00001.1.el8sso
- Red Hat Single Sign-On 7.6 For Rhel 9 — versions 0:18.0.11-3.redhat_00001.1.el9sso, 0:18.0.12-1.redhat_00001.1.el9sso
- Red Hat Rhel-8 Based Middleware Containers — versions 7.6-39, 7.6-41
- Red Hat Single Sign-On 7.6.6
- Red Hat Keycloak
- Red Hat Single Sign-On — versions 7.0
Weakness classification (CWE)
References
- access.redhat.com/errata/RHSA-2024:0094 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:0095 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:0096 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:0097 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:0098 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:0100 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:0101 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:0798 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:0799 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:0800 (vendor-advisory)
Frequently asked questions
- What is CVE-2023-6927?
- CVE-2023-6927 is a medium-severity vulnerability in Red Hat Build Of Keycloak 22, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.6/10. Published 2023-12-18.
- How severe is CVE-2023-6927?
- Medium severity. CVSS v3 base score is 4.6 out of 10.