Medium severity · published Aug 1, 2018
CVE-2018-10894
It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates
5.4
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
keycloak · Red Hat
3.4.3.Final · source: vendor, NVD
SS
Single Sign-on · Redhat
7.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-10894
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-10894
Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3592
Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3593
Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3595
Vendor Advisory
https://access.redhat.com/errata/RHSA-2019:0877
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894
More from keycloak
8.1
CVE-2016-8609
It was found that the keycloak before 2.3.0 did not implement authentication flow correctly