CVE-2020-1724 Keycloak Insufficient Session Expiry

What is CVE-2020-1724?

CVE-2020-1724 is a medium-severity vulnerability in Redhat Keycloak, published on 11 May 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A flaw was found in Keycloak in versions before 9.0.2. This flaw allows a malicious user that is currently logged in, to see the personal information of a previously logged out user in the account manager section.

Weakness: CWE-613

Which versions are affected by CVE-2020-1724?

2 open source packages ship an affected version, including org.keycloak:keycloak-core. It affects 3 products.

Products include Redhat Keycloak, Redhat Openshift Application Runtimes, Redhat Single Sign-On.

How do I fix CVE-2020-1724?

Upgrade org.keycloak:keycloak-core to 9.0.2 or later.

Is CVE-2020-1724 being exploited?

There is no known exploitation of CVE-2020-1724 in the wild and no public exploit code.

Other vulnerabilities in Redhat Keycloak

• CVE-2022-4361 Keycloak vulnerable to cross-site scripting when validating URI-schemes on SAML and OIDC Critical 10.0
• CVE-2022-1245 Keycloak vulnerable to privilege escalation on Token Exchange feature Critical 9.8
• CVE-2021-20195 keycloak Self Stored Cross-site Scripting vulnerability Critical 9.6
• CVE-2019-14910 Keycloak Authentication Error Critical 9.3
• CVE-2019-14909 Keycloak Authentication Error Critical 9.3

All Redhat Keycloak vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8xj2-47xw-q78c.