Auth bypass in Mantisbt

CVE-2020-29605

An issue was discovered in MantisBT before 2.24.4. Due to insufficient access-level checks, any logged-in user allowed to perform Group Actions can get access to the Summary fields of private Issues via bug_arr[]= in a crafted bug_actiongroup_page.php URL. (The target Issues can have Private view status, or belong to a private Project.)

Vulnerability class: Broken Access Control

EPSS: 0.009 (55.8th 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)

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-2020-29605?
CVE-2020-29605 is a medium-severity vulnerability in Mantisbt, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2021-01-29.
How severe is CVE-2020-29605?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2020-29605 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.