Arbitrary file upload in Projeqtor

CVE-2025-3169

A vulnerability was found in Projeqtor up to 12.0.2. It has been rated as critical. Affected by this issue is some unknown functionality of the file /tool/saveAttachment.php. The manipulation of the argument attachmentFiles leads to unrestricted upload. 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. Upgrading to version 12.0.3 is able to address this issue. It is recommended to upgrade the affected component. The vendor explains, that "this vulnerability can be exploited only on not securely installed instances, as it is adviced during product install: attachment directory should be out of web reach, so that even if executable file can be uploaded, it cannot be executed through the web."

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (24.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-3169: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • Projeqtor — versions 12.0.0, 12.0.1, 12.0.2

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-3169?
CVE-2025-3169 is a medium-severity vulnerability in Projeqtor, classified under Improper Access Control. CVSS score: 5.0/10. Published 2025-04-03.
How severe is CVE-2025-3169?
Medium severity. CVSS v3 base score is 5.0 out of 10.