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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.15% Top 20%
Vendor Advisory redhat.com
Affected: Red Hat keycloak
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1714 issue tracking vendor advisory
https://github.com/keycloak/keycloak/pull/7053 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-1714?
CVE-2020-1714 has been scored as a high severity vulnerability.
How to fix CVE-2020-1714?
To fix CVE-2020-1714, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-1714 being actively exploited in the wild?
It is possible that CVE-2020-1714 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-1714?
CVE-2020-1714 affects Red Hat keycloak.
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