CVE-2018-10894: red hat keycloak
CVSS: 5.5v2.0MediumModified
AliasesGHSA-xvv8-8wh9-9fh2
Published 01-08-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-10894 is a medium (CVSS 5.5) vulnerability in red hat keycloak. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27.2% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v2.0 (NVD)EPSS score
0.35%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2Timeline
- 01-08-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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 metrics
4 scores · 3 sources · 2 versionsMedium 5.4Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NSourcesAll 3 agree
- NVDNIST5.4MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- OSV · MavenEcosystem advisory · calculated5.4MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Medium 5.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:P/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.35%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
0.00 pp
From 0.35% on 18-09-2026
18-09-202618-10-2026
EPSS score0.35%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Org.keycloak2 products
- keycloak-saml-adapter-core< 4.4.0.Final
- keycloak-services< 4.4.0.Final
Redhat2 products
- keycloak3.4.3
- single_sign-on7.2
Red hat1 product
- keycloak3.4.3.Final
3 vendors · 5 products
References
8 links- bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894X Refsource CONFIRMIssue TrackingPatchVendor AdvisoryWEB
- github.com/keycloak/keycloakPACKAGE