Auth bypass in 20120630 Novel-Plus
CVE-2025-4015
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.008 (56.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.001
Affected products
- 20120630 Novel-Plus — versions 0e156c04b4b7ce0563bef6c97af4476fcda8f160
- Xxyopen Novel-Plus
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- www.cnblogs.com/aibot/p/18827501 (Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2025-4015?
- CVE-2025-4015 is a medium-severity vulnerability in 20120630 Novel-Plus, classified under Improper Authentication. CVSS score: 5.3/10. Published 2025-04-28.
- How severe is CVE-2025-4015?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2025-4015 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.