Auth bypass in Mantisbt

CVE-2020-29604

An issue was discovered in MantisBT before 2.24.4. A missing access check in bug_actiongroup.php allows an attacker (with rights to create new issues) to use the COPY group action to create a clone, including all bugnotes and attachments, of any private issue (i.e., one having Private view status, or belonging to a private Project) via the bug_arr[] parameter. This provides full access to potentially confidential information.

Vulnerability class: Broken Access Control

EPSS: 0.011 (62.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Exploit, Patch, x_refsource_MISC, Vendor Advisory)
  • cve@mitre.org (Exploit, Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-29604?
CVE-2020-29604 is a medium-severity vulnerability in Mantisbt, classified under Missing Authorization. CVSS score: 6.5/10. Published 2021-01-29.
How severe is CVE-2020-29604?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2020-29604 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.