CVE-2019-14820: keycloak
Vulnerability summary
CVE-2019-14820 is a medium (CVSS 4.3) vulnerability in keycloak. EPSS estimates a 0.72% chance of exploitation in the next 30 days, higher than 53.9% of scored vulnerabilities.
Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3Timeline
- 08-01-2020PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
It was found that keycloak before version 8.0.0 exposes internal adapter endpoints in org.keycloak.constants.AdapterConstants, which can be invoked via a specially-crafted URL. This vulnerability could allow an attacker to access unauthorized information.
CVSS metrics
6 scores · 4 sources · 3 versions- OSV · MavenEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- NVDNIST4.3MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- OSV · Red hatEcosystem advisory · calculated4.3MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.72%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.72% on 05-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat8 products
- jboss_enterprise_application_platform6.4.0 | 7.2.0
- jboss_fuse7.0.0
- keycloak< 8.0.0
- single_sign-on7.3
- eap7-keycloak-adapter-sso7_3< 0:4.8.13-1.Final_redhat_00001.1.el6eap | < 0:4.8.13-1.Final_redhat_00001.1.el7eap | < 0:4.8.13-1.Final_redhat_00001.1.el8eap
Keycloak1 product
- keycloakfixed in 8.0.0
Org.keycloak1 product
- keycloak-core< 8.0.0
3 vendors · 10 products
References
12 links- bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14820X Refsource CONFIRMIssue TrackingPatchThird Party AdvisoryWEB
