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CVE-2025-4015: Missing Authentication in 20120630 Novel-Plus

Medium
VulnerabilityCVE-2025-4015cvecve-2025-4015
Published: Mon Apr 28 2025 (04/28/2025, 10:00:09 UTC)
Source: CVE
Vendor/Project: 20120630
Product: Novel-Plus

Description

A vulnerability was found in 20120630 Novel-Plus up to 0e156c04b4b7ce0563bef6c97af4476fcda8f160. It has been rated as critical. Affected by this issue is the function list of the file novel-system/src/main/java/com/java2nb/system/controller/SessionController.java. The manipulation leads to missing authentication. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

AI-Powered Analysis

AILast updated: 06/24/2025, 17:37:27 UTC

Technical Analysis

CVE-2025-4015 is a security vulnerability identified in the 20120630 Novel-Plus software, specifically affecting versions up to commit 0e156c04b4b7ce0563bef6c97af4476fcda8f160. The vulnerability resides in the SessionController.java file within the function list, where a missing authentication check allows unauthorized remote attackers to access functionality without any credentials or user interaction. This flaw effectively bypasses any authentication mechanisms, permitting unauthenticated remote code execution or unauthorized access to sensitive session management features. The vulnerability has been publicly disclosed, and although no known exploits are currently active in the wild, the availability of exploit details increases the risk of exploitation. The vendor has not responded to notifications regarding this issue, and no patches or mitigations have been officially released. The CVSS v4.0 base score is 6.9 (medium severity), reflecting the ease of remote exploitation without authentication but limited impact on confidentiality, integrity, and availability. The vulnerability does not require user interaction, privileges, or special conditions, making it straightforward to exploit remotely. However, the impact is limited to the session management functionality exposed by the affected controller, which may restrict the scope of damage depending on the deployment context and the criticality of the Novel-Plus application within an organization.

Potential Impact

For European organizations using Novel-Plus, this vulnerability poses a significant risk of unauthorized access to session management functions, potentially leading to session hijacking, unauthorized data access, or manipulation of user sessions. The lack of authentication enforcement could allow attackers to bypass security controls, compromising the integrity and confidentiality of user sessions. While the direct impact on system availability appears limited, exploitation could facilitate further attacks or lateral movement within networks. Organizations relying on Novel-Plus for critical business operations or handling sensitive data may face increased risk of data breaches or operational disruptions. The absence of vendor patches and public exploit information heightens the urgency for European entities to assess exposure and implement compensating controls. Given the medium CVSS score, the threat is moderate but non-negligible, especially in environments where Novel-Plus is integrated with other critical systems or where session management is a key security boundary.

Mitigation Recommendations

Since no official patches or updates have been released by the vendor, European organizations should implement the following specific mitigations: 1) Conduct an immediate audit to identify all instances of Novel-Plus in their environment and determine exposure to the vulnerable version. 2) Restrict network access to the affected SessionController endpoints using firewall rules or network segmentation to limit remote attack vectors. 3) Deploy Web Application Firewalls (WAFs) with custom rules to detect and block unauthorized requests targeting the vulnerable session management functions. 4) Implement additional authentication or access control layers in front of Novel-Plus services, such as reverse proxies requiring authentication or VPN access. 5) Monitor logs and network traffic for anomalous access patterns indicative of exploitation attempts. 6) Consider temporary disabling or isolating the vulnerable functionality if feasible until a vendor patch or official fix is available. 7) Engage with security teams to develop incident response plans specific to potential exploitation of this vulnerability. These targeted mitigations go beyond generic advice by focusing on network-level controls, monitoring, and compensating access restrictions tailored to the Novel-Plus environment.

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Technical Details

Data Version
5.1
Assigner Short Name
VulDB
Date Reserved
2025-04-27T17:53:20.778Z
Cisa Enriched
true
Cvss Version
4.0
State
PUBLISHED

Threat ID: 682d983ec4522896dcbefa38

Added to database: 5/21/2025, 9:09:18 AM

Last enriched: 6/24/2025, 5:37:27 PM

Last updated: 8/4/2025, 6:59:10 AM

Views: 16

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