Security readout for executives and security teams
Plain-English summary
Keycloak could be tricked into running attacker-controlled script through SAML or OIDC provider values. Because Keycloak often protects login and identity workflows, compromise could affect sensitive sessions and trust decisions. The source rates this critical, but does not show active exploitation or a named fixed version.
Executive priority
Treat as urgent for any Keycloak 21.1.2 identity service. Identity compromise can create broad business impact, but the provided evidence does not confirm active exploitation.
Technical view
CVE-2022-4361 is a Keycloak XSS issue tied to AssertionConsumerServiceURL in SAML or redirect_uri in OIDC providers. The CVSS 3.1 vector is 10.0, network-reachable, low complexity, no privileges, no user interaction, and scope changed. Sources identify Keycloak 21.1.2 as affected.
Likely exposure
Organizations running Keycloak 21.1.2 with SAML or OIDC provider flows are the clearest exposure. The bundle marks default status as unaffected, so other versions should not be assumed vulnerable from these sources alone.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. They describe possible malicious script execution through provider URL values, but do not provide evidence of exploitation in the wild.
Researcher notes
Evidence is limited to the CVE description, Red Hat Bugzilla reference, and upstream commit. Do not broaden affected versions without vendor confirmation. Focus validation on Keycloak 21.1.2 and SAML/OIDC URL-handling paths.
Mitigation direction
- Check Red Hat and Keycloak guidance for the supported fixed version.
- Prioritize review of internet-facing Keycloak SAML and OIDC deployments.
- Apply a vendor-supported update containing the referenced Keycloak fix.
- Restrict administrative changes to identity provider and client URL configuration.
- Monitor identity configuration changes for unexpected redirect or ACS values.
Validation and detection
- Inventory Keycloak versions and flag 21.1.2 for urgent review.
- Identify enabled SAML and OIDC providers using external redirects or ACS URLs.
- Confirm whether deployed code includes the referenced upstream commit.
- Review recent provider/client configuration changes for suspicious URL values.
- Verify remediation using vendor release notes or advisory confirmation.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Open ATT&CK lookupCVE-2022-4361 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 10 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H3.96Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
10CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Script in an Error Message Web Page
Improper Neutralization of Script in an Error Message Web Page represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.