PT-2025-26656 · Unknown · Novel-Plus

Bpy9Ft · Published 2025-06-24 · Updated 2025-06-24 · CVE-2025-6533

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions: xxyopen/201206030 novel-plus versions up to 5.1.3

Description: A critical issue has been found in the ajaxLogin function of the LoginController.java file, part of the CATCHA Handler component. This issue leads to authentication bypass through capture-replay, allowing remote attacks. The complexity of the attack is high, and exploitation is difficult. The exploit has been publicly disclosed.

Recommendations: For versions up to 5.1.3, as a temporary workaround, consider disabling the ajaxLogin function until a patch is available. Restrict access to the CATCHA Handler component to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Restriction of Excessive Authentication Attempts

Improper Authentication

Weakness Enumeration

CWE-307

CWE-287

CWE-294

Related Identifiers

CVE-2025-6533

Affected Products

Novel-Plus

References · 9

• 🔥 https://blog.0xd00.com/blog/captcha-replay-attack-lead-to-brute-force-protection-bypass · Exploit
• 🔥 https://blog.0xd00.com/blog/captcha-replay-attack-lead-to-brute-force-protection-bypass#poc · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-6533 · Security Note
• https://osv.dev/vulnerability/CVE-2025-6533 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/1937317117679870441 · Twitter Post
• https://vuldb.com/?submit.596481 · Note
• https://twitter.com/CVEnew/status/1937344580455673957 · Twitter Post
• https://vuldb.com/?id.313652 · Note
• https://vuldb.com/?ctiid.313652 · Note