Vulnerability in Red Hat Keycloak
CVE-2018-10894
It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (26.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Red Hat Keycloak — versions 3.4.3.Final
- Red Hat Enterprise Linux — versions 6.0, 7.0
- Red Hat Keycloak — versions 3.4.3
- Red Hat Single Sign-On — versions 7.2
Weakness classification (CWE)
References
- access.redhat.com/errata/RHSA-2018:3592 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2018:3593 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2018:3595 (vendor-advisory, Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking, Vendor Advisory)
- access.redhat.com/errata/RHSA-2019:0877 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-10894?
- CVE-2018-10894 is a medium-severity vulnerability in Red Hat Keycloak, classified under Insufficient Verification of Data Authenticity. CVSS score: 5.4/10. Published 2018-08-01.
- How severe is CVE-2018-10894?
- Medium severity. CVSS v3 base score is 5.4 out of 10.