5.5

CVE-2019-3868: red hat keycloak

CVSS: 5.5v2.0MediumModified
AliasesRHSA-2019:0856RHSA-2019:0857GHSA-gc52-xj6p-9pxp
Published 24-04-2019Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2019-3868 is a medium (CVSS 5.5) vulnerability in red hat keycloak. EPSS estimates a 1.00% chance of exploitation in the next 30 days, higher than 62.6% 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
1.00%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 24-04-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Keycloak up to version 6.0.0 allows the end user token (access or id token JWT) to be used as the session cookie for browser sessions for OIDC. As a result an attacker with access to service provider backend could hijack user’s browser session.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.00%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

0.00 pp

From 1.00% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.00%

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

Redhat3 products
  • keycloak≤ 6.0.0
  • rh-sso7-keycloak< 0:3.4.17-1.Final_redhat_00001.1.jbcs.el7 | < 0:3.4.17-1.Final_redhat_00001.1.jbcs.el6
  • rh-sso7-keycloak-server< 0:3.4.17-1.Final_redhat_00001.1.jbcs.el7 | < 0:3.4.17-1.Final_redhat_00001.1.jbcs.el6
Org.keycloak1 product
  • keycloak-core< 6.0.0
Red hat1 product

3 vendors · 5 products

References

15 links
Show all 15 references