CVE-2023-0657
Keycloak: impersonation via logout token exchange
Severity Score
3.4
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track
*SSVC
Descriptions
A flaw was found in Keycloak. This issue occurs due to improperly enforcing token types when validating signatures locally. This could allow an authenticated attacker to exchange a logout token for an access token and possibly gain access to data outside of enforced permissions.
A bug update is now available for Red Hat build of Keycloak 22.0.10 images running on OpenShift Container Platform. This is an enhancement and security update with Moderate impact rating. Issues addressed include bypass, cross site scripting, denial of service, and traversal vulnerabilities.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-02-02 CVE Reserved
- 2024-04-17 CVE Published
- 2024-11-17 CVE Updated
- 2025-04-16 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-273: Improper Check for Dropped Privileges
CAPEC
References (4)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2024:1867 | 2024-11-17 | |
| https://access.redhat.com/errata/RHSA-2024:1868 | 2024-11-17 | |
| https://access.redhat.com/security/cve/CVE-2023-0657 | 2024-04-16 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2166728 | 2024-04-16 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Redhat Search vendor "Redhat" | Build Keycloak Search vendor "Redhat" for product "Build Keycloak" | * | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Build Of Keycloak Search vendor "Redhat" for product "Build Of Keycloak" | * | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Red Hat Single Sign On Search vendor "Redhat" for product "Red Hat Single Sign On" | * | - |
Affected
| ||||||