CVE-2020-10734
OIDC Logout redirect in keycloak
A vulnerability was found in keycloak in the way that the OIDC logout endpoint does not have CSRF protection. Versions shipped with Red Hat Fuse 7, Red Hat Single Sign-on 7, and Red Hat Openshift Application Runtimes are believed to be vulnerable.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
NVD Score used
3.3
A vulnerability was found in keycloak in the way that the OIDC logout endpoint does not have CSRF protection. Versions shipped with Red Hat Fuse 7, Red Hat Single Sign-on 7, and Red Hat Openshift Application Runtimes are believed to be vulnerable.
- Record
CVE-2020-10734- CVSS 3.1
- 3.3 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-352
- Updated
- 2026-11-02
CVE List No score
A vulnerability was found in keycloak in the way that the OIDC logout endpoint does not have CSRF protection. Versions shipped with Red Hat Fuse 7, Red Hat Single Sign-on 7, and Red Hat Openshift Application Runtimes are believed to be vulnerable.
- Record
CVE-2020-10734- Weakness
- CWE-352
- Updated
- 2026-11-02
EUVDEUVD-2022-1828 No score
A vulnerability was found in keycloak in the way that the OIDC logout endpoint does not have CSRF protection. Versions shipped with Red Hat Fuse 7, Red Hat Single Sign-on 7, and Red Hat Openshift Application Runtimes are believed to be vulnerable.
- Record
EUVD-2022-1828- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rvjg-gxwx-j5gf
3.3
OIDC Logout redirect in keycloak
A flaw was found in keycloak. The OIDC logout endpoint does not have CSRF protection. The highest threat from this vulnerability is to system availability.
- Record
GHSA-rvjg-gxwx-j5gf- CVSS 3.1
- 3.3 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-601
- Updated
- 2026-11-02
OSV
3.3
A vulnerability was found in keycloak in the way that the OIDC logout endpoint does not have CSRF protection. Versions shipped with Red Hat Fuse 7, Red Hat Single Sign-on 7, and Red Hat Openshift Application Runtimes are believed to be vulnerable.
- Record
CVE-2020-10734- CVSS 3.1
- 3.3 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
OSVGHSA-rvjg-gxwx-j5gf
3.3
OIDC Logout redirect in keycloak
A flaw was found in keycloak. The OIDC logout endpoint does not have CSRF protection. The highest threat from this vulnerability is to system availability.
- Record
GHSA-rvjg-gxwx-j5gf- CVSS 3.1
- 3.3 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-601
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.keycloak:keycloak-oidc-client-adapter-pomMaven |
before 18.0.0 | 18.0.0 |
org.keycloak:keycloak-oidc-client-adapter-pomMaven |
before 18.0.0, plus listed versions 1.9.0.CR11.9.0.Final1.9.1.Final1.9.2.Final1.9.3.Final Show 45 moreShow less1.9.4.Final1.9.5.Final1.9.7.Final1.9.8.Final10.0.010.0.110.0.211.0.011.0.111.0.211.0.312.0.012.0.112.0.212.0.312.0.413.0.013.0.114.0.015.0.015.0.115.0.215.1.015.1.116.0.016.1.016.1.117.0.017.0.12.0.0.CR12.0.0.Final2.1.0.CR12.1.0.Final2.2.0.CR12.2.0.Final2.2.1.Final2.3.0.CR12.3.0.Final2.4.0.CR12.4.0.Final2.5.0.CR12.5.0.Final2.5.1.Final2.5.4.Final2.5.5.Final |
18.0.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| 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-2020-10734 is a low vulnerability (CVSS 3.3) in Keycloak, published February 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 11th percentile. Fixed in org.keycloak:keycloak-oidc-client-adapter-pom 18.0.0.
References
Left out here: 43 versions. The JSON record has them.