CVE-2025-6533
xxyopen/201206030 novel-plus CATCHA LoginController.java ajaxLogin authentication replay
Description
A vulnerability, which was classified as critical, has been found in xxyopen/201206030 novel-plus up to 5.1.3. Affected by this issue is the function ajaxLogin of the file novel-admin/src/main/java/com/java2nb/system/controller/LoginController.java of the component CATCHA Handler. The manipulation leads to authentication bypass by capture-replay. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. 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.
INFO
Published Date :
June 24, 2025, 12:15 a.m.
Last Modified :
Oct. 1, 2025, 7:48 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Implement robust session management.
- Use time-based tokens for authentication.
- Validate all authentication attempts server-side.
- Consider multi-factor authentication.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-6533.
| URL | Resource |
|---|---|
| https://blog.0xd00.com/blog/captcha-replay-attack-lead-to-brute-force-protection-bypass | Exploit Third Party Advisory |
| https://blog.0xd00.com/blog/captcha-replay-attack-lead-to-brute-force-protection-bypass#poc | Exploit Third Party Advisory |
| https://vuldb.com/?ctiid.313652 | Permissions Required VDB Entry |
| https://vuldb.com/?id.313652 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.596481 | Third Party Advisory VDB Entry |
| https://blog.0xd00.com/blog/captcha-replay-attack-lead-to-brute-force-protection-bypass | Exploit Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-6533 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-6533
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-6533 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-6533 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Oct. 01, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Added CWE CWE-307 Added CPE Configuration OR *cpe:2.3:a:xxyopen:novel-plus:*:*:*:*:*:*:*:* versions up to (including) 5.1.3 Added Reference Type CISA-ADP: https://blog.0xd00.com/blog/captcha-replay-attack-lead-to-brute-force-protection-bypass Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://blog.0xd00.com/blog/captcha-replay-attack-lead-to-brute-force-protection-bypass Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://blog.0xd00.com/blog/captcha-replay-attack-lead-to-brute-force-protection-bypass#poc Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://vuldb.com/?ctiid.313652 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.313652 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.596481 Types: Third Party Advisory, VDB Entry -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 25, 2025
Action Type Old Value New Value Added Reference https://blog.0xd00.com/blog/captcha-replay-attack-lead-to-brute-force-protection-bypass -
New CVE Received by [email protected]
Jun. 24, 2025
Action Type Old Value New Value Added Description A vulnerability, which was classified as critical, has been found in xxyopen/201206030 novel-plus up to 5.1.3. Affected by this issue is the function ajaxLogin of the file novel-admin/src/main/java/com/java2nb/system/controller/LoginController.java of the component CATCHA Handler. The manipulation leads to authentication bypass by capture-replay. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. 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. Added CVSS V4.0 AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:N/AC:H/Au:N/C:P/I:P/A:P) Added CWE CWE-287 Added CWE CWE-294 Added Reference https://blog.0xd00.com/blog/captcha-replay-attack-lead-to-brute-force-protection-bypass Added Reference https://blog.0xd00.com/blog/captcha-replay-attack-lead-to-brute-force-protection-bypass#poc Added Reference https://vuldb.com/?ctiid.313652 Added Reference https://vuldb.com/?id.313652 Added Reference https://vuldb.com/?submit.596481