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CVE-2023-6837

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CVE-2023-6837

Published: Dec 15, 2023

Modified: Sep 25, 2025

PUBLISHED

CVSS v3.1

8.5

HIGH

Description

Multiple WSO2 products have been identified as vulnerable to perform user impersonatoin using JIT provisioning. In order for this vulnerability to have any impact on your deployment, following conditions must be met: * An IDP configured for federated authentication and JIT provisioning enabled with the "Prompt for username, password and consent" option. * A service provider that uses the above IDP for federated authentication and has the "Assert identity using mapped local subject identifier" flag enabled. Attacker should have: * A fresh valid user account in the federated IDP that has not been used earlier. * Knowledge of the username of a valid user in the local IDP. When all preconditions are met, a malicious actor could use JIT provisioning flow to perform user impersonation.

VendorProductVersions

WSO2

WSO2 API Manager

unknown
0 - < 2.5.0
affected
2.5.0 - < 2.5.0.32
affected
2.6.0 - < 2.6.0.52
affected
3.0.0 - < 3.0.0.50
affected
3.1.0 - < 3.1.0.72

+2 more versions

WSO2

WSO2 Identity Server

unknown
0 - < 5.6.0
affected
5.6.0 - < 5.6.0.16
affected
5.7.0 - < 5.7.0.35
affected
5.8.0 - < 5.8.0.26
affected
5.9.0 - < 5.9.0.38

+2 more versions

WSO2

WSO2 Identity Server as Key Manager

unknown
0 - < 5.6.0
affected
5.6.0 - < 5.6.0.17
affected
5.7.0 - < 5.7.0.39
affected
5.9.0 - < 5.9.0.45
affected
5.10.0 - < 5.10.0.80

WSO2

WSO2 Carbon Identity Application Authentication Framework

affected
5.11.256 - < 5.11.256.3
affected
5.12.153 - < 5.12.153.21
affected
5.12.387 - < 5.12.387.7
affected
5.14.97 - < 5.14.97.22
affected
5.17.5 - < 5.17.5.106

+2 more versions

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

Low

Availability

None

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