Auth bypass in Tianti Project
CVE-2025-8807
A vulnerability was found in xujeff tianti 天梯 up to 2.3. It has been declared as critical. This vulnerability affects unknown code of the file /tianti-module-admin/user/ajax/save. The manipulation leads to missing authorization. The attack can be initiated 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 Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (29.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Tianti Project
- Xujeff Tianti 天梯 — versions 2.0, 2.1, 2.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (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)
- github.com/N1n3b9S/cve/issues/15 (issue-tracking, Exploit, Third Party Advisory, Issue Tracking)
- github.com/N1n3b9S/cve/issues/15 (issue-tracking, Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2025-8807?
- CVE-2025-8807 is a medium-severity vulnerability in Tianti Project, classified under Missing Authorization. CVSS score: 6.3/10. Published 2025-08-10.
- How severe is CVE-2025-8807?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2025-8807 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.