Auth bypass in Mantisbt

CVE-2020-25781

An issue was discovered in file_download.php in MantisBT before 2.24.3. Users without access to view private issue notes are able to download the (supposedly private) attachments linked to these notes by accessing the corresponding file download URL directly.

Vulnerability class: Broken Access Control

EPSS: 0.009 (57.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-25781?
CVE-2020-25781 is a medium-severity vulnerability in Mantisbt, classified under Missing Authorization. CVSS score: 4.3/10. Published 2020-09-30.
How severe is CVE-2020-25781?
Medium severity. CVSS v3 base score is 4.3 out of 10.