Auth bypass in 20120630 Novel-Plus
CVE-2025-4019
A vulnerability, which was classified as critical, was found in 20120630 Novel-Plus up to 0e156c04b4b7ce0563bef6c97af4476fcda8f160. Affected is the function genCode of the file novel-admin/src/main/java/com/java2nb/common/controller/GeneratorController.java. The manipulation leads to missing authentication. It is possible to launch the attack 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 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.007 (51.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000
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/18827469 (exploit, Broken Link)
Frequently asked questions
- What is CVE-2025-4019?
- CVE-2025-4019 is a high-severity vulnerability in 20120630 Novel-Plus, classified under Improper Authentication. CVSS score: 7.3/10. Published 2025-04-28.
- How severe is CVE-2025-4019?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2025-4019 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.