youlai-boot 2.21.1 SysUserController.java importUsers authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in youlai-boot 2.21.1 and classified as critical. This issue affects the function importUsers of the file SysUserController.java. The manipulation leads to authorization. This vulnerability is documented as CVE-2025-66736. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in youlai-boot 2.21.1. This issue affects the function importUsers of the file SysUserController.java. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at gitee.com. The identification of this vulnerability is CVE-2025-66736 since 12/08/2025. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/23/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-204748). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-639 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

12/08/2025 CVE reserved
12/22/2025 +14 days Advisory disclosed
12/22/2025 +0 days VulDB entry created
12/23/2025 +1 days VulDB entry last update

Sourcesinfo

Advisory: 9197065102f92264ded814a9d3e9f2a4ff0da121
Status: Confirmed

CVE: CVE-2025-66736 (🔒)
GCVE (CVE): GCVE-0-2025-66736
GCVE (VulDB): GCVE-100-337781
EUVD: 🔒

Entryinfo

Created: 12/22/2025 22:11
Updated: 12/23/2025 07:07
Changes: 12/22/2025 22:11 (53), 12/23/2025 07:07 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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