CVE-2020-27826
MEDIUM
4.2
CVSS Score
Published: May 28, 2021 at 10:20 AM UTC
Updated: June 17, 2026 at 03:09 AM UTC
2 products affected across 2 vendorsSingle Sign onKeycloak
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Severity
MEDIUM4.2
Exploit prediction
EPSS 0.6%
Description
A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user's metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 12.0.012.0.0
Affected range stops below 12.0.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCIssue TrackingVendor Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1905089CVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-250
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