Auth bypass in Mantisbt

CVE-2020-35849

An issue was discovered in MantisBT before 2.24.4. An incorrect access check in bug_revision_view_page.php allows an unprivileged attacker to view the Summary field of private issues, as well as bugnotes revisions, gaining access to potentially confidential information via the bugnote_id parameter.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.016 (73.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/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, x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2020-35849?
CVE-2020-35849 is a high-severity vulnerability in Mantisbt, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2020-12-30.
How severe is CVE-2020-35849?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-35849 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.