CVE-2025-6533

LOW EPSS 37.5%
Published Jun 24, 20251y ago · Modified Jun 17, 20261w ago
2.9 CVSS 4.0
Low
Find Similar
Published Jun 24, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
2.9
Exploitability
—
Impact
—
Vector string
CVSS:4.0/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
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
37.5% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 3

CWE-287 Improper Authentication Authentication
CWE-294
CWE-307

Affected Products 1

VendorProductVersionRange
xxyopennovel-plus* ≤5.1.3

References 5

  • blog.0xd00.com https://blog.0xd00.com/blog/captcha-replay-attack-lead-to-brute-force-protection-bypass
    ExploitThird Party Advisory
  • blog.0xd00.com https://blog.0xd00.com/blog/captcha-replay-attack-lead-to-brute-force-protection-bypass#poc
    ExploitThird Party Advisory
  • vuldb.com https://vuldb.com/?ctiid.313652
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.313652
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.596481
    Third Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.