VDB-289927 · CVE-2024-13111 · GCVE-100-289927

Beijing Yunfan Internet Technology Yunfan Learning Examination System 1.9.2 JWT Token SysUserControl improper authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.09

Summaryinfo

A vulnerability, which was classified as critical, has been found in Beijing Yunfan Internet Technology Yunfan Learning Examination System 1.9.2. Affected by this vulnerability is an unknown functionality of the file src/main/java/com/yf/exam/modules/sys/user/controller/SysUserControl of the component JWT Token Handler. This manipulation causes improper authentication. This vulnerability is tracked as CVE-2024-13111. The attack is possible to be carried out remotely. Moreover, an exploit is present. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Detailsinfo

A vulnerability classified as critical was found in Beijing Yunfan Internet Technology Yunfan Learning Examination System 1.9.2. Affected by this vulnerability is an unknown functionality of the file src/main/java/com/yf/exam/modules/sys/user/controller/SysUserControl of the component JWT Token Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2024-13111. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Beijing Yunfan Internet Technology

Name

Yunfan Learning Examination System

Version

1.9.2

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.6
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.6
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/01/2025 🔍
01/01/2025 +0 days 🔍
08/26/2025 +236 days 🔍

Sourcesinfo

Advisory: YFexam-exam-1.9.2 has JWT defects #6
Status: Not defined

CVE: CVE-2024-13111 (🔍)
GCVE (CVE): GCVE-0-2024-13111
GCVE (VulDB): GCVE-100-289927
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/01/2025 12:36 PM
Updated: 08/26/2025 12:48 AM
Changes: 01/01/2025 12:36 PM (56), 01/02/2025 04:58 PM (30), 08/26/2025 12:48 AM (1)
Complete: 🔍
Submitter: LVZC
Cache ID: 18:16B:40

Submitinfo

Accepted

Submit #467701: Beijing Yunfan Internet Technology Co., Ltd yfexam-exam 1.9.2 JWT defects (by LVZC)