5.5

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.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v2.0 (NVD)
EPSS score
0.35%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2

Timeline

  1. 01-08-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last 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 versions

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 score
0.35%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Org.keycloak2 products
  • keycloak-saml-adapter-core< 4.4.0.Final
  • keycloak-services< 4.4.0.Final
Redhat2 products
Red hat1 product

3 vendors · 5 products

References

8 links