Keycloak: session takeover with oidc offline refreshtokens
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Spoofing, Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-384 and CWE-613.
Summary
A flaw was found in the offline_access scope in Keycloak. This issue would affect users of shared computers more (especially if cookies are not cleared), due to a lack of root session validation, and the reuse of session ids across root and user authentication sessions. This enables an attacker to resolve a user session attached to a previously authenticated user; when utilizing the refresh token, they will be issued a token for the original user.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Hat | Red Hat Single Sign-On 7 | — | — | Not affected | CNA |
| Red Hat | Red Hat Single Sign-On 7.6.1 | — | — | Not affected | CNA |
| Red Hat | Red Hat Single Sign-On 7.6 for RHEL 7 | — | 18.0.3-1.redhat_00002.1.el7sso | Patch available | CNA |
| Red Hat | Red Hat Single Sign-On 7.6 for RHEL 7 | — | 18.0.6-1.redhat_00001.1.el7sso | Patch available | CNA |
| Red Hat | Red Hat Single Sign-On 7.6 for RHEL 8 | — | 18.0.3-1.redhat_00002.1.el8sso | Patch available | CNA |
| Red Hat | Red Hat Single Sign-On 7.6 for RHEL 8 | — | 18.0.6-1.redhat_00001.1.el8sso | Patch available | CNA |
| Red Hat | Red Hat Single Sign-On 7.6 for RHEL 9 | — | 18.0.3-1.redhat_00002.1.el9sso | Patch available | CNA |
| Red Hat | Red Hat Single Sign-On 7.6 for RHEL 9 | — | 18.0.6-1.redhat_00001.1.el9sso | Patch available | CNA |
| Red Hat | RHEL-8 based Middleware Containers | — | 7.6-15 | Patch available | CNA |
| Red Hat | RHEL-8 based Middleware Containers | — | 7.6-20 | Patch available | CNA |
| — | org.keycloak:keycloak-parent (Maven) | before 20.0.2 | 20.0.2 | Patch available | GHSA-97g8-xfvw-q4hg |
- Red Hat Single Sign-On 7 VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Single Sign-On 7.6.1 VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Single Sign-On 7.6 for RHEL 7 VendorRed Hat Affected — Fixed in 18.0.3-1.redhat_00002.1.el7sso Patch available CNA
- Red Hat Single Sign-On 7.6 for RHEL 7 VendorRed Hat Affected — Fixed in 18.0.6-1.redhat_00001.1.el7sso Patch available CNA
- Red Hat Single Sign-On 7.6 for RHEL 8 VendorRed Hat Affected — Fixed in 18.0.3-1.redhat_00002.1.el8sso Patch available CNA
- Red Hat Single Sign-On 7.6 for RHEL 8 VendorRed Hat Affected — Fixed in 18.0.6-1.redhat_00001.1.el8sso Patch available CNA
- Red Hat Single Sign-On 7.6 for RHEL 9 VendorRed Hat Affected — Fixed in 18.0.3-1.redhat_00002.1.el9sso Patch available CNA
- Red Hat Single Sign-On 7.6 for RHEL 9 VendorRed Hat Affected — Fixed in 18.0.6-1.redhat_00001.1.el9sso Patch available CNA
- RHEL-8 based Middleware Containers VendorRed Hat Affected — Fixed in 7.6-15 Patch available CNA
- RHEL-8 based Middleware Containers VendorRed Hat Affected — Fixed in 7.6-20 Patch available CNA
- org.keycloak:keycloak-parent (Maven) Vendor— Affected before 20.0.2 Fixed in 20.0.2 Patch available GHSA-97g8-xfvw-q4hg
CPE configurations NVD · 14
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:* | before 20.0.2 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:single_sign-on:-:*:*:*:text-only:*:*:* | not specified by NVD | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:single_sign-on:7.6:*:*:*:*:*:*:* | 7.6 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 7.0 | Running on | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 8.0 | Running on | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* | 9.0 | Running on | Red Hat |
| cpe:2.3:a:redhat:openshift_container_platform:4.9:*:*:*:*:*:*:* | 4.9 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:openshift_container_platform:4.10:*:*:*:*:*:*:* | 4.10 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:openshift_container_platform_for_linuxone:4.9:*:*:*:*:*:*:* | 4.9 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:openshift_container_platform_for_linuxone:4.10:*:*:*:*:*:*:* | 4.10 | Vulnerable | Red Hat |
- cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:* Versions before 20.0.2 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:single_sign-on:-:*:*:*:text-only:*:*:* Versions not specified by NVD Vulnerable ·Red Hat
- cpe:2.3:a:redhat:single_sign-on:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Running on ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Running on ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Running on ·Red Hat
- cpe:2.3:a:redhat:openshift_container_platform:4.9:*:*:*:*:*:*:* Versions 4.9 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:openshift_container_platform:4.10:*:*:*:*:*:*:* Versions 4.10 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:openshift_container_platform_for_linuxone:4.9:*:*:*:*:*:*:* Versions 4.9 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:openshift_container_platform_for_linuxone:4.10:*:*:*:*:*:*:* Versions 4.10 Vulnerable ·Red Hat
Show 4 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:redhat:openshift_container_platform_for_power:4.9:*:*:*:*:*:*:* | 4.9 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:openshift_container_platform_for_power:4.10:*:*:*:*:*:*:* | 4.10 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:4.9:*:*:*:*:*:*:* | 4.9 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:4.10:*:*:*:*:*:*:* | 4.10 | Vulnerable | Red Hat |
- cpe:2.3:a:redhat:openshift_container_platform_for_power:4.9:*:*:*:*:*:*:* Versions 4.9 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:openshift_container_platform_for_power:4.10:*:*:*:*:*:*:* Versions 4.10 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:4.9:*:*:*:*:*:*:* Versions 4.9 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:4.10:*:*:*:*:*:*:* Versions 4.10 Vulnerable ·Red Hat
Remediation
- Fix · GHSA-97g8-xfvw-q4hg org.keycloak:keycloak-parent (Maven) Fixed in 20.0.2 Advisory →
Red Hat 10 advisories
- RHSA-2023:1043 Released 2023-03-01 · Red Hat rating ImportantRed Hat Single Sign-On 7.6.2 security update on RHEL 7
- Red Hat Single Sign-On 7.6 for RHEL 7 Server rh-sso7-keycloak-18.0.6-1.redhat_00001.1.el7sso, rh-sso7-keycloak-server-18.0.6-1.redhat_00001.1.el7sso
- RHSA-2023:1049 Released 2023-03-01 · Red Hat rating ImportantRed Hat Single Sign-On 7.6.2 security update
- Red Hat Single Sign-On 7
- RHSA-2023:1047 Released 2023-03-01 · Red Hat rating ImportantRed Hat Single Sign-On 7.6.2 for OpenShift image security and enhancement update
- Middleware Containers for OpenShift rh-sso-7/sso76-openshift-rhel8
Show 7 more Red Hat advisories
- RHSA-2023:1045 Released 2023-03-01 · Red Hat rating ImportantRed Hat Single Sign-On 7.6.2 security update on RHEL 9
- Red Hat Single Sign-On 7.6 for RHEL 9 rh-sso7-keycloak-18.0.6-1.redhat_00001.1.el9sso, rh-sso7-keycloak-server-18.0.6-1.redhat_00001.1.el9sso
- RHSA-2023:1044 Released 2023-03-01 · Red Hat rating ImportantRed Hat Single Sign-On 7.6.2 security update on RHEL 8
- Red Hat Single Sign-On 7.6 for RHEL 8 rh-sso7-keycloak-18.0.6-1.redhat_00001.1.el8sso, rh-sso7-keycloak-server-18.0.6-1.redhat_00001.1.el8sso
- RHSA-2022:8964 Released 2022-12-13 · Red Hat rating Importantupdated rh-sso-7/sso76-openshift-rhel8 container and operator related images
- Middleware Containers for OpenShift rh-sso-7/sso76-openshift-rhel8
- RHSA-2022:8965 Released 2022-12-13 · Red Hat rating ImportantRed Hat Single Sign-On 7.6.1 security update
- Red Hat Single Sign-On 7.6.1
- RHSA-2022:8963 Released 2022-12-13 · Red Hat rating ImportantRed Hat Single Sign-On 7.6.1 security update on RHEL 9
- Red Hat Single Sign-On 7.6 for RHEL 9 rh-sso7-keycloak-18.0.3-1.redhat_00002.1.el9sso, rh-sso7-keycloak-server-18.0.3-1.redhat_00002.1.el9sso
- RHSA-2022:8962 Released 2022-12-13 · Red Hat rating ImportantRed Hat Single Sign-On 7.6.1 security update on RHEL 8
- Red Hat Single Sign-On 7.6 for RHEL 8 rh-sso7-keycloak-18.0.3-1.redhat_00002.1.el8sso, rh-sso7-keycloak-server-18.0.3-1.redhat_00002.1.el8sso
- RHSA-2022:8961 Released 2022-12-13 · Red Hat rating ImportantRed Hat Single Sign-On 7.6.1 security update on RHEL 7
- Red Hat Single Sign-On 7.6 for RHEL 7 Server rh-sso7-keycloak-18.0.3-1.redhat_00002.1.el7sso, rh-sso7-keycloak-server-18.0.3-1.redhat_00002.1.el7sso
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Red Hat RHEL-8 based Middleware Containers, Red Hat Single Sign-On 7 and 3 more products — RHSA-2023:1043
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2022-03783 Keycloak: reflected xss attackPriority LOW 38
- TI-2022-01319 Keycloak: xss on impersonation under specific circumstancesPriority LOW 29
- Advisory ·
Red Hat RHEL-8 based Middleware Containers, Red Hat Single Sign-On 7 and 3 more products — RHSA-2023:1044
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2022-03783 Keycloak: reflected xss attackPriority LOW 38
- TI-2022-01319 Keycloak: xss on impersonation under specific circumstancesPriority LOW 29
Show 3 more groups
- Advisory ·
Red Hat RHEL-8 based Middleware Containers, Red Hat Single Sign-On 7 and 3 more products — RHSA-2023:1045
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2022-03783 Keycloak: reflected xss attackPriority LOW 38
- TI-2022-01319 Keycloak: xss on impersonation under specific circumstancesPriority LOW 29
- Advisory ·
Red Hat RHEL-8 based Middleware Containers, Red Hat Single Sign-On 7 and 3 more products — RHSA-2023:1047
3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2022-03706 Rhsso-container-image: unsecured management interface exposed to adjecent networkPriority MEDIUM 44
- TI-2022-01319 Keycloak: xss on impersonation under specific circumstancesPriority LOW 29
- Advisory ·
Red Hat RHEL-8 based Middleware Containers, Red Hat Single Sign-On 7 and 3 more products — RHSA-2023:1049
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2022-03783 Keycloak: reflected xss attackPriority LOW 38
- TI-2022-01319 Keycloak: xss on impersonation under specific circumstancesPriority LOW 29
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Middleware Containers for OpenShift | Fixed | RHSA-2022:8964, RHSA-2023:1047 |
| Red Hat Single Sign-On 7 | Fixed | RHSA-2023:1049 |
| Red Hat Single Sign-On 7.6 for RHEL 7 Server | Fixed | RHSA-2022:8961, RHSA-2023:1043 |
| Red Hat Single Sign-On 7.6 for RHEL 8 | Fixed | RHSA-2022:8962, RHSA-2023:1044 |
| Red Hat Single Sign-On 7.6 for RHEL 9 | Fixed | RHSA-2022:8963, RHSA-2023:1045 |
| Red Hat Single Sign-On 7.6.1 | Fixed | RHSA-2022:8965 |
Not affected: 1 product
- Middleware Containers for OpenShift
Timeline
- 2026-10-02 Threatist record created from CVE-2022-3916
- 2026-10-03 Alias added: GHSA-97g8-xfvw-q4hg
References
Advisory 13
More Red Hat Keycloak vulnerabilities
- TI-2024-01049 Keycloak: path transversal in redirection validation CVSS 3.1HIGH 8.1
- TI-2023-26623 The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6… CVSS 3.1MEDIUM 5.9
- TI-2020-08665 Server-side request forgery in keycloak CVSS 3.1MEDIUM 5.3
- TI-2022-03468 Path traversal in Red Hat Keycloak CVSS 3.1CRITICAL 9.1
- TI-2021-03612 A POST based reflected Cross Site Scripting vulnerability on has been identified in Keycloak. CVSS 3.1MEDIUM 6.1
- TI-2022-03994 Cross-site scripting in keycloak CVSS 3.1CRITICAL 10.0
Sources
- CVE-2022-3916 · CVE Program
- CVE-2022-3916 · NVD
- FIRST EPSS
- GHSA-97g8-xfvw-q4hg · GitHub Advisory Database · CC BY 4.0
- CVE-2022-3916 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences