Privilege escalation in Zentao
CVE-2025-13787
A flaw has been found in ZenTao up to 21.7.6-8564. The affected element is the function file::delete of the file module/file/control.php of the component File Handler. Executing manipulation of the argument fileID can lead to improper privilege management. It is possible to launch the attack remotely. Upgrading to version 21.7.7 is sufficient to fix this issue. You should upgrade the affected component.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (28.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.9% 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
- Zentao
- Zentao — versions 21.7.6-8564, 21.7.7
Weakness classification (CWE)
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)
- github.com/ez-lbz/ez-lbz.github.io/issues/1 (issue-tracking, Exploit, Third Party Advisory, Issue Tracking)
- github.com/ez-lbz/ez-lbz.github.io/issues/1 (issue-tracking, Exploit, Third Party Advisory, Issue Tracking)
- www.zentao.net/extension-buyext-1601-download.html (Product, patch)
Frequently asked questions
- What is CVE-2025-13787?
- CVE-2025-13787 is a medium-severity vulnerability in Zentao, classified under Incorrect Privilege Assignment. CVSS score: 5.4/10. Published 2025-11-30.
- How severe is CVE-2025-13787?
- Medium severity. CVSS v3 base score is 5.4 out of 10.