CVE-2016-8629: red hat, inc. keycloak Improper Access Control
Vulnerability summary
CVE-2016-8629 is a medium (CVSS 6.5) Improper Access Control vulnerability in red hat, inc. keycloak. EPSS estimates a 1.90% chance of exploitation in the next 30 days, higher than 79.7% of scored vulnerabilities.
Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2Timeline
- 12-03-2018PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
Red Hat Keycloak before version 2.4.0 did not correctly check permissions when handling service account user deletion requests sent to the rest server. An attacker with service account authentication could use this flaw to bypass normal permissions and delete users in a separate realm.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.90%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.90% on 04-10-2026
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 cause- CWE-284Improper Access ControlThe product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
- CWE-264Permissions, Privileges, and Access ControlsWeaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.
Affected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat2 products
- keycloak< 2.4.0
- single_sign_on7.1 | 7.2
Org.keycloak1 product
- keycloak-core< 2.4.0
Red hat, inc.1 product
- keycloak2.4.0
3 vendors · 4 products
