High severity8.8NVD Advisory· Published May 13, 2020· Updated Jun 17, 2026
CVE-2020-1714
CVE-2020-1714
Description
A flaw was found in Keycloak before version 11.0.0, where the code base contains usages of ObjectInputStream without type checks. This flaw allows an attacker to inject arbitrarily serialized Java Objects, which would then get deserialized in a privileged context and potentially lead to remote code execution.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.keycloak:keycloak-coreMaven | < 11.0.0 | 11.0.0 |
org.keycloak:keycloak-commonMaven | < 11.0.0 | 11.0.0 |
Affected products
10- ghsa-coords2 versions
< 11.0.0+ 1 more
- (no CPE)range: < 11.0.0
- (no CPE)range: < 11.0.0
- cpe:2.3:a:redhat:decision_manager:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:process_automation:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
5- github.com/keycloak/keycloak/pull/7053nvdPatchThird Party AdvisoryWEB
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingVendor AdvisoryWEB
- github.com/advisories/GHSA-m6mm-q862-j366ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-1714ghsaADVISORY
- github.com/keycloak/keycloak/commit/33863ba16117844930a38ebde57a25258f5b80fdghsaWEB
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