High severityNVD Advisory· Published May 13, 2020· Updated Aug 4, 2024
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
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
3- ghsa-coords2 versions
< 11.0.0+ 1 more
- (no CPE)range: < 11.0.0
- (no CPE)range: < 11.0.0
Patches
Vulnerability mechanics
Generated on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.
References
5- github.com/advisories/GHSA-m6mm-q862-j366ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-1714ghsaADVISORY
- bugzilla.redhat.com/show_bug.cgighsax_refsource_CONFIRMWEB
- github.com/keycloak/keycloak/commit/33863ba16117844930a38ebde57a25258f5b80fdghsaWEB
- github.com/keycloak/keycloak/pull/7053ghsax_refsource_CONFIRMWEB
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