CVE-2021-3461
Keycloak insufficient session expiration
A flaw was found in keycloak where keycloak may fail to logout user session if the logout request comes from external SAML identity provider and Principal Type is set to Attribute [Name].
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A flaw was found in keycloak where keycloak may fail to logout user session if the logout request comes from external SAML identity provider and Principal Type is set to Attribute [Name].
- Record
CVE-2021-3461- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - CVSS 2.0
- 3.3 Low
AV:L/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-613
- Updated
- 2026-11-02
CVE List No score
A flaw was found in keycloak where keycloak may fail to logout user session if the logout request comes from external SAML identity provider and Principal Type is set to Attribute [Name].
- Record
CVE-2021-3461- Weakness
- CWE-613
- Updated
- 2026-11-02
EUVDEUVD-2022-1709 No score
A flaw was found in keycloak where keycloak may fail to logout user session if the logout request comes from external SAML identity provider and Principal Type is set to Attribute [Name].
- Record
EUVD-2022-1709- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cm29-6wx7-p874
Keycloak insufficient session expiration
A flaw was found in keycloak where keycloak may fail to logout user session if the logout request comes from external SAML identity provider and Principal Type is set to Attribute [Name].
- Record
GHSA-cm29-6wx7-p874- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-613
- Updated
- 2026-11-02
OSV
A flaw was found in keycloak where keycloak may fail to logout user session if the logout request comes from external SAML identity provider and Principal Type is set to Attribute [Name].
- Record
CVE-2021-3461- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-cm29-6wx7-p874
Keycloak insufficient session expiration
A flaw was found in keycloak where keycloak may fail to logout user session if the logout request comes from external SAML identity provider and Principal Type is set to Attribute [Name].
- Record
GHSA-cm29-6wx7-p874- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-613
- Updated
- 2026-11-02
OSVRHSA-2021:2063
Red Hat Security Advisory: Red Hat Single Sign-On 7.4.7 security update on RHEL 6
- Record
RHSA-2021:2063- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVRHSA-2021:2064
Red Hat Security Advisory: Red Hat Single Sign-On 7.4.7 security update on RHEL 7
- Record
RHSA-2021:2064- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVRHSA-2021:2065
Red Hat Security Advisory: Red Hat Single Sign-On 7.4.7 security update on RHEL 8
- Record
RHSA-2021:2065- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.keycloak:keycloak-parentMaven |
before 14.0.0 | 14.0.0 |
org.keycloak:keycloak-parentMaven |
before 14.0.0, plus listed versions 1.0-alpha-11.0-alpha-1-120620131.0-alpha-21.0-alpha-31.0-alpha-4 Show 45 moreShow less1.0-beta-11.0-beta-1-201505211.0-beta-1-201505231.0-beta-21.0-beta-31.0-beta-41.0-final1.0-rc-11.0-rc-21.0.1.Final1.0.2.Final1.0.3.Final1.0.4.Final1.0.5.Final1.1.0.Beta11.1.0.Beta21.1.0.Final1.1.1.Final1.2.0.Beta11.2.0.CR11.2.0.Final1.3.0.Final1.3.1.Final1.4.0.Final1.5.0-Final1.5.0.Final1.5.1.Final1.6.0.Final1.6.1.Final1.7.0.CR11.7.0.Final1.8.0.Alpha11.8.0.CR11.8.0.CR21.8.0.CR31.8.0.Final1.8.1.Final1.9.0.CR11.9.0.Final1.9.1.Final1.9.2.Final1.9.3.Final1.9.4.Final1.9.5.Final1.9.7.Final |
14.0.0 |
rh-sso7-keycloakRed Hat:red_hat_single_sign_on:7::el6 From an advisory covering 2 CVEs |
before 0:9.0.13-1.redhat_00006.1.el6sso | 0:9.0.13-1.redhat_00006.1.el6sso |
rh-sso7-keycloak-serverRed Hat:red_hat_single_sign_on:7::el6 From an advisory covering 2 CVEs |
before 0:9.0.13-1.redhat_00006.1.el6sso | 0:9.0.13-1.redhat_00006.1.el6sso |
rh-sso7-keycloakRed Hat:red_hat_single_sign_on:7::el7 From an advisory covering 2 CVEs |
before 0:9.0.13-1.redhat_00006.1.el7sso | 0:9.0.13-1.redhat_00006.1.el7sso |
rh-sso7-keycloak-serverRed Hat:red_hat_single_sign_on:7::el7 From an advisory covering 2 CVEs |
before 0:9.0.13-1.redhat_00006.1.el7sso | 0:9.0.13-1.redhat_00006.1.el7sso |
rh-sso7-keycloakRed Hat:red_hat_single_sign_on:7::el8 From an advisory covering 2 CVEs |
before 0:9.0.13-1.redhat_00006.1.el8sso | 0:9.0.13-1.redhat_00006.1.el8sso |
rh-sso7-keycloak-serverRed Hat:red_hat_single_sign_on:7::el8 From an advisory covering 2 CVEs |
before 0:9.0.13-1.redhat_00006.1.el8sso | 0:9.0.13-1.redhat_00006.1.el8sso |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-3461 is a high vulnerability (CVSS 7.1) in Keycloak, published April 1, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 22nd percentile. Fixed in org.keycloak:keycloak-parent 14.0.0.
References
bugzilla.redhat.com/show_bug.cgi?id=1941565
nvd.nist.gov/vuln/detail/CVE-2021-3461
github.com/keycloak/keycloak/issues/11203
access.redhat.com/errata/RHSA-2021:2063
Show 13 moreShow less
security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_2063.json
cve.org/CVERecord?id=CVE-2021-3424
Left out here: 74 versions. The JSON record has them.