CVE-2025-66736 | BDVDB-2026-307282 Detail

Description#

youlai-boot V2.21.1 is vulnerable to Incorrect Access Control. The importUsers function in SysUserController.java does not perform a permission check on the current user's identity, which may allow regular users to import user data into the database, resulting in an authorization bypass vulnerability.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact high, availability impact none. Attack vector: network.

Weaknesses#

CWE-284 Improper Access Control
CWE-862 Missing Authorization

References#

Exploit#

No public exploit known

History#

Version 12025-12-22Record published in the CVE List.

Published

Published: 2025-12-22
Last modified: 2025-12-22

Vendor information

Vendor: Not stated
Product: Not stated

Score

7.1 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 25.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Improper Access Control

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

No version data in the source record.

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.1 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	High
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).