CVE-2020-1714GHSA-M6MM-Q862-J366
A flaw was found in Keycloak before version 11.0.0, where the code base contains usages of ObjectInputStream without type checks.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 11.0.0
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
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.
Timeline
- CVE published
- Record last updated
Affected versions
- Red Hat keycloak
before 11.0.0
- org.keycloak:keycloak-coreMaven
fixed in 11.0.0
- org.keycloak:keycloak-commonMaven
fixed in 11.0.0