CVE-2025-3910

Org.keycloak.authentication: two factor authentication bypass

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

A flaw was found in Keycloak. The org.keycloak.authorization package may be vulnerable to circumventing required actions, allowing users to circumvent requirements such as setting up two-factor authentication.

*Credits: This issue was discovered by Marek Posolda (Red Hat).

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2025-04-23 CVE Reserved
2025-04-29 CVE Published
2025-04-30 CVE Updated
2025-05-05 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-287: Improper Authentication

CAPEC

References (4)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2025:4335	2025-04-30
https://access.redhat.com/errata/RHSA-2025:4336	2025-04-30
https://access.redhat.com/security/cve/CVE-2025-3910	2025-04-29
https://bugzilla.redhat.com/show_bug.cgi?id=2361923	2025-04-29

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